Spongebob Genetics Worksheets I
Welcome to the electronic frontier biology classroom of the 21st century. This is a worksheet derived from Mitchell's Cosmic Adventure science web site. Click on Biology and find "lecture notes", scroll down to Worksheets Bikini Genetics 1, 2, incomplete dominance, review and quiz.
Scientists at Bikini Bottom Reef are conducting research on the genetic makeup of marine organisms in this community. Use the information taken from the various worksheets to answer each question on this electronic based worksheet.
Questions and Answers
- 1.
Please identify from the list of genotypes that are heterozygous condition. (HINT: there are multiple answers for this question.)
- A.
[TT]
- B.
[Dd]
- C.
[Bb]
- D.
[dd]
- E.
[DD]
- F.
[Bb]
Correct Answer(s)
B. [Dd]
C. [Bb]
F. [Bb]Explanation
The given answer [Dd], [Bb], [Bb] identifies the genotypes that are in a heterozygous condition. In genetics, heterozygous refers to having two different alleles for a particular gene. In this case, the genotypes [Dd] and [Bb] have a combination of two different alleles, while [DD] and [dd] have two identical alleles. Therefore, [Dd] and [Bb] are the heterozygous genotypes in the given list.Rate this question:
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- 2.
Please identify from the list of genotypes that are homozygous condition. (Hint: there are multiple answers for this question.)
- A.
[DD]
- B.
[Dd]
- C.
[bb]
- D.
[Tt]
- E.
[FF]
- F.
[Ff]
- G.
[ff]
Correct Answer(s)
A. [DD]
C. [bb]
E. [FF]
G. [ff]Explanation
The genotypes [DD], [bb], [FF], and [ff] are homozygous conditions because they consist of two identical alleles for a specific trait. In each of these genotypes, both alleles are the same, either dominant (D) or recessive (b or F or f). This means that these individuals will express the traits associated with the dominant alleles (D or F) or the recessive alleles (b or f) exclusively.Rate this question:
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- 3.
Please identify from the list of genotypes that are considered purebred?. (HINT: there are multiple answers for this question.)
- A.
[TT]
- B.
[Dd]
- C.
[Bb]
- D.
[dd]
- E.
[DD]
- F.
[Bb]
- G.
[FF]
Correct Answer(s)
A. [TT]
D. [dd]
E. [DD]
G. [FF]Explanation
The genotypes [TT], [dd], [DD], and [FF] are considered purebred because they consist of two of the same alleles for a specific trait. In other words, they are homozygous for that trait.Rate this question:
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- 4.
Please identify from the list of genotypes that are considered hybrids?. (HINT: there are multiple answers for this question.)
- A.
[TT]
- B.
[Dd]
- C.
[Bb]
- D.
[dd]
- E.
[DD]
- F.
[Ff]
Correct Answer(s)
B. [Dd]
C. [Bb]
F. [Ff]Explanation
The genotypes [Dd], [Bb], and [Ff] are considered hybrids because they contain a combination of two different alleles for a particular trait. In each of these genotypes, one allele is dominant (represented by the capital letter) and the other allele is recessive (represented by the lowercase letter). This combination of dominant and recessive alleles in the genotype results in a hybrid individual with a mixed expression of the trait.Rate this question:
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- 5.
Determine the phenotype for each genotype using the following information about SpongeBob. Yellow body color is dominant to recessive blue body color! Question - [YY]
- A.
Yellow body color
- B.
Blue body color
- C.
Pink body color
- D.
Green body color
- E.
Blue and yellow stripes
Correct Answer
A. Yellow body colorExplanation
The given genotype [YY] corresponds to the yellow body color phenotype. This is because yellow body color is dominant over blue body color, and since the genotype has two dominant alleles (Y), the phenotype will exhibit the dominant trait, which is yellow body color.Rate this question:
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- 6.
Determine the phenotype for each genotype using the following information about SpongeBob. Yellow body color is dominant to recessive blue body color! Question - [Yy]
- A.
Yellow body color
- B.
Blue body color
- C.
Pink body color
- D.
Green body color
- E.
Blue and yellow stripes
Correct Answer
A. Yellow body colorExplanation
The given question is asking to determine the phenotype for the genotype [Yy]. Based on the information provided, yellow body color is dominant to recessive blue body color. Since the genotype [Yy] has one dominant allele (Y) and one recessive allele (y), the phenotype would be yellow body color.Rate this question:
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- 7.
Determine the phenotype for each genotype using the following information about SpongeBob. Yellow body color is dominant to recessive blue body color! Question - [yy]
- A.
Yellow body color
- B.
Blue body color
- C.
Pink body color
- D.
Green body color
- E.
Blue and yellow stripes
Correct Answer
B. Blue body color -
- 8.
Determine the phenotype for each genotype using the following information about SpongeBob. Square body shape is dominant to (s)round body type is recessive! Question - [SS]
- A.
Square body type
- B.
Hexagon body type
- C.
Heart body type
- D.
Round body type
- E.
Oval body type
Correct Answer
A. Square body typeExplanation
Based on the given information, the genotype [SS] represents a dominant square body type. This means that if an organism has two copies of the dominant allele (S), it will have a square body shape.Rate this question:
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- 9.
Determine the phenotype for each genotype using the following information about SpongeBob. Square body shape is dominant to (s)round body type is recessive! Question - [Ss]
- A.
Square body type
- B.
Hexagon body type
- C.
Heart body type
- D.
Round body type
- E.
Oval body type
Correct Answer
A. Square body typeExplanation
The correct answer is Square body type. This is because the question states that square body shape is dominant, while round body type is recessive. Since the genotype given is [Ss], with "S" representing the dominant allele for square body shape and "s" representing the recessive allele for round body type, the phenotype would be square body type.Rate this question:
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- 10.
Determine the phenotype for each genotype using the following information about SpongeBob. Square body shape is dominant to (s)round body type is recessive! Question - [ss]
- A.
Square body type
- B.
Hexagon body type
- C.
Heart body type
- D.
Round body type
- E.
Oval body type
Correct Answer
D. Round body typeExplanation
The given question states that square body shape is dominant and round body type is recessive. Since the genotype is [ss], where both alleles are recessive, the phenotype would be round body type.Rate this question:
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- 11.
SpongeBob squarepants met SpongeBarbara roundpants at the mall. SpongeBob is heterozygous for his square shape, but SpongeBarbara is round. Use the punnett square to answer this question. What is SpongeBob's genotype?
- A.
[SS]
- B.
[Ss]
- C.
[ss]
- D.
[SSS]
Correct Answer
B. [Ss]Explanation
Based on the information given, SpongeBob is heterozygous for his square shape. In genetics, the term "heterozygous" refers to having two different alleles for a particular trait. Since SpongeBob's shape is square, it can be represented by the allele "S." Therefore, his genotype would be [Ss], with "S" representing the square shape and "s" representing the round shape.Rate this question:
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- 12.
SpongeBob squarepants met SpongeBarbara roundpants at the mall. SpongeBob is heterozygous for his square shape, but SpongeBarbara is round. Use the punnett square to answer this question. What is SpongeBarbara's genotype?
- A.
[SS]
- B.
[Ss]
- C.
[ss]
- D.
[SSS]
Correct Answer
C. [ss]Explanation
Based on the information given, SpongeBob is heterozygous for his square shape, meaning he has one dominant allele (S) and one recessive allele (s). Since SpongeBarbara is round, it can be inferred that she does not have the dominant allele (S) for the square shape. Therefore, her genotype must be homozygous recessive (ss).Rate this question:
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- 13.
SpongeBob squarepants met SpongeBarbara roundpants at the mall. SpongeBob is heterozygous for his square shape, but SpongeBarbara is round. Using the punnett square to show the possibilities that would result if SpongeBob and SpongeBarbara were to have children. What are the chances of a child with square shape?
- A.
25%
- B.
50%
- C.
75%
- D.
100%
Correct Answer
B. 50%Explanation
If SpongeBob is heterozygous for his square shape, it means that he carries one dominant allele for square shape and one recessive allele for round shape. SpongeBarbara, on the other hand, is round, which means she carries two recessive alleles for round shape. When these two individuals have children, there is a 50% chance that the child will inherit the dominant allele from SpongeBob and have a square shape, and a 50% chance that the child will inherit the recessive alleles from both parents and have a round shape. Therefore, the chances of a child with square shape are 50%.Rate this question:
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- 14.
SpongeBob squarepants met SpongeBarbara roundpants at the mall. SpongeBob is heterozygous for his square shape, but SpongeBarbara is round. Using the punnett square to show the possibilities that would result if SpongeBob and SpongeBarbara were to have children. What are the chances of a child with round shape?
- A.
25%
- B.
50%
- C.
75%
- D.
100%
Correct Answer
B. 50%Explanation
The chances of a child with a round shape would be 50%. This is because SpongeBob is heterozygous for his square shape, meaning he carries one dominant allele for square shape and one recessive allele for round shape. SpongeBarbara, on the other hand, is round, which means she carries two recessive alleles for round shape. When they have children, there is a 50% chance that the child will inherit SpongeBob's recessive allele for round shape, resulting in a round-shaped child.Rate this question:
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- 15.
Patrick met Patti are the swimming pool. Both of them are heterozygous for their (P) pink body color, which is dominant over a (p)yellow body color. Create a punnett square to show the possiblities that would result if Patrick and Patti were to have children. What is the genotype of Patrick?
- A.
[PP]
- B.
[Pp]
- C.
[pp]
- D.
[PPP]
Correct Answer
B. [Pp]Explanation
Based on the given information, Patrick and Patti are both heterozygous for the pink body color gene, which means they each have one dominant allele (P) and one recessive allele (p). The Punnett square shows the possible combinations of alleles that their children could inherit. The genotype [Pp] represents one possibility where the child inherits one dominant allele from Patrick (P) and one recessive allele from Patti (p).Rate this question:
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- 16.
Patrick met Patti are the swimming pool. Both of them are heterozygous for their (P) pink body color, which is dominant over a (p)yellow body color. Create a punnett square to show the possiblities that would result if Patrick and Patti were to have children. What is the genotype of Patti?
- A.
[PP]
- B.
[Pp]
- C.
[pp]
- D.
[PPP]
Correct Answer
B. [Pp]Explanation
Patti's genotype is [Pp]. This means that she has one dominant allele (P) for pink body color and one recessive allele (p) for yellow body color. Since Patrick and Patti are both heterozygous (Pp), they can pass on either the dominant or recessive allele to their children.Rate this question:
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- 17.
Patrick met Patti are the swimming pool. Both of them are heterozygous for their (P) pink body color, which is dominant over a (p)yellow body color. Create a punnett square to show the possiblities that would result if Patrick and Patti were to have children. What is the chances of a child with a pink body?
- A.
0 %
- B.
25%
- C.
50%
- D.
75%
- E.
100%
Correct Answer
D. 75%Explanation
If both Patrick and Patti are heterozygous for the pink body color (Pp), there is a 75% chance of their child having a pink body. This is because there are four possible combinations in the Punnett square: PP, Pp, pP, and pp. Out of these four combinations, three of them (PP, Pp, and pP) result in a pink body color, while only one combination (pp) results in a yellow body color. Therefore, the chances of a child with a pink body are 75%.Rate this question:
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- 18.
Patrick met Patti at the swimming pool. Both of them are heterozygous for their (P) pink body color, which is dominant over a (p)yellow body color. Create a punnett square to show the possiblities that would result if Patrick and Patti were to have children. What is the chances of a child with a yellow body?
- A.
0 %
- B.
25%
- C.
50%
- D.
75%
- E.
100%
Correct Answer
B. 25%Explanation
If both Patrick and Patti are heterozygous for the pink body color (Pp), there is a 25% chance that their child will have a yellow body color. This is because when two heterozygous individuals mate, there is a 25% chance of their child inheriting two recessive alleles (pp) for the yellow body color. The other possibilities include the child inheriting two dominant alleles (PP) for the pink body color or being heterozygous (Pp) like the parents.Rate this question:
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- 19.
All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a "purebred" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children. What is the genotype of Squidward?
- A.
[BB]
- B.
[Bb]
- C.
[bb]
- D.
[BG]
- E.
[Bg]
- F.
[bg]
Correct Answer
A. [BB]Explanation
Squidward's genotype is [BB]. This is because all members of his family have the dominant trait for body color, which is light blue (B). Since his family claims to be a "purebred" line, it can be inferred that they are homozygous for the trait, meaning they have two copies of the dominant allele (BB). Since Squidward's genotype is not specified in the question, it can be assumed that he also has the same genotype as his family members.Rate this question:
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- 20.
All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a "purebred" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children. What is the genotype of Mrs. Squidward?
- A.
[BB]
- B.
[Bb]
- C.
[bb]
- D.
[BG]
- E.
[Bg]
- F.
[bg]
Correct Answer
C. [bb] -
- 21.
All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a "purebred" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children. What is the chances of a child with light blue skin?
- A.
0%
- B.
25%
- C.
50%
- D.
75%
- E.
100%
Correct Answer
E. 100%Explanation
Squidward's family has a dominant trait for light blue skin, while his wife has a recessive trait for light green skin. Since light blue skin is dominant, all of their children will inherit the light blue skin trait. Therefore, the chances of a child with light blue skin are 100%.Rate this question:
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- 22.
All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a "purebred" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children. What is the chances of a child with light green skin?
- A.
0%
- B.
25%
- C.
50%
- D.
75%
- E.
100%
Correct Answer
A. 0%Explanation
Since light green skin color is a recessive trait (b), and all members of Squidward's family have the dominant trait (B) for light blue skin color, it means that Squidward does not carry the recessive trait for light green skin. Therefore, the chances of Squidward and his bride having a child with light green skin are 0%.Rate this question:
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- 23.
All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a "purebred" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children. Let's assume that Bluey is one of Squidward's sons, who is heterozygous for the light blue body color. He marries a girl that is also heterozygous. What are the chances he will have any children that are purebred blue body color?
- A.
0%
- B.
25%
- C.
50%
- D.
75%
- E.
100%
Correct Answer
B. 25%Explanation
If Squidward is heterozygous for the light blue body color (Bb) and his bride is also heterozygous (Bb), then there is a 25% chance that they will have children with the purebred blue body color (BB). This is because in a Punnett square, there are four possible combinations of alleles: BB, Bb, bB, and bb. Only one of these combinations (BB) results in the purebred blue body color. Therefore, the chances of having purebred blue body color children is 25%.Rate this question:
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- 24.
All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a "purebred" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children. Let's assume that Bluey is one of Squidward's sons, who is heterozygous for the light blue body color. He marries a girl that is also heterozygous. What are the chances he will have any children that are purebred light green body color?
- A.
0%
- B.
25%
- C.
50%
- D.
75%
- E.
100%
Correct Answer
B. 25%Explanation
The chances of Squidward and his bride having children that are purebred light green body color is 25%. This can be determined by creating a Punnett square. Since Squidward is heterozygous (Bb) for the light blue body color trait and his bride is also heterozygous (Bb), there is a 25% chance that they will have children with the genotype bb, which represents the recessive trait for light green body color.Rate this question:
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- 25.
Mr. Krabbs and his wife had 200 little Krabbys, but it has not been a joyous event for the parents. Mrs. Krabbs has been upset since she first saw her children since 100 had short eyeballs. She claims that the hospital mixed up her babies with another mother. Mr. Krabbs is homozygous for his tall eyeballs, while Mrs. Krabby is heterozygous for her tall eyeballs. What is the genotype for Mr. Krabby?
- A.
(TT)
- B.
[TT]
- C.
(Tt)
- D.
[Tt]
- E.
[tt]
Correct Answer
B. [TT]Explanation
Mr. Krabby's genotype is [TT]. This means that he has two copies of the tall eyeball allele. Since he is homozygous, he does not carry the short eyeball allele. This explains why all of their children have tall eyeballs, as they would have inherited one tall allele from Mr. Krabby and one tall allele from Mrs. Krabby.Rate this question:
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- 26.
Mr. Krabbs and his wife had 200 little Krabbys, but it has not been a joyous event for the parents. Mrs. Krabbs has been upset since she first saw her children since 100 had short eyeballs. She claims that the hospital mixed up her babies with another mother. Mr. Krabbs is homozygous for his tall eyeballs, while Mrs. Krabby is heterozygous for her tall eyeballs. What is the genotype for Mrs. Krabby?
- A.
(TT)
- B.
[TT]
- C.
(Tt)
- D.
[Tt]
- E.
[tt]
Correct Answer
D. [Tt]Explanation
Mrs. Krabby's genotype is [Tt]. This means that she has one allele for tall eyeballs (T) and one allele for short eyeballs (t). Since she has tall eyeballs, it means that the allele for tall eyeballs (T) is dominant over the allele for short eyeballs (t). Therefore, even though she has one allele for short eyeballs, she still expresses the trait for tall eyeballs.Rate this question:
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- 27.
Mr. Krabbs and his wife had 200 little Krabbys, but it has not been a joyous event for the parents. Mrs. Krabbs has been upset since she first saw her children since 100 had short eyeballs. She claims that the hospital mixed up her babies with another mother. Mr. Krabbs is homozygous for his tall eyeballs, while Mrs. Krabby is heterozygous for her tall eyeballs. What are the genotypes for all Mr. & Mrs. Krabb's children?
- A.
[TT]
- B.
[Tt]
- C.
[tt]
- D.
(TT)
- E.
(Tt)
Correct Answer(s)
A. [TT]
B. [Tt]Explanation
The answer [TT],[Tt] suggests that some of Mr. and Mrs. Krabbs' children will have the genotype TT (homozygous tall eyeballs) and some will have the genotype Tt (heterozygous tall eyeballs). This is because Mr. Krabbs is homozygous for tall eyeballs (TT) and Mrs. Krabby is heterozygous for tall eyeballs (Tt). The presence of the recessive allele (t) in Mrs. Krabby's genotype allows for the possibility of some of their children inheriting the recessive allele and having the heterozygous genotype (Tt).Rate this question:
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- 28.
Mr. Krabbs and his wife had 200 little Krabbys, but it has not been a joyous event for the parents. Mrs. Krabbs has been upset since she first saw her children since 100 had short eyeballs. She claims that the hospital mixed up her babies with another mother. Mr. Krabbs is homozygous for his tall eyeballs, while Mrs. Krabby is heterozygous for her tall eyeballs. Did the hospital actually make a mistake in giving Mrs. Krabby her 200 children?
- A.
Yes, 50% of the children were not Mrs. Krabby
- B.
Yes, 75% of the children were not Mrs. Krabby
- C.
No, this is a monohybrid testcross
- D.
No, this is a dihybrid complete dominance problem
Correct Answer
A. Yes, 50% of the children were not Mrs. KrabbyExplanation
Based on the information given, Mr. Krabbs is homozygous for tall eyeballs while Mrs. Krabby is heterozygous. This means that Mr. Krabbs can only pass on the allele for tall eyeballs, while Mrs. Krabby can pass on either the allele for tall or short eyeballs. Since 100 of the children have short eyeballs, it suggests that Mrs. Krabby did not pass on the allele for tall eyeballs to those children. Therefore, 50% of the children did not inherit the allele from Mrs. Krabby, indicating that there may have been a mistake at the hospital.Rate this question:
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- 29.
[Bikini Bottom Genetics 2 Worksheet] Please select the phenotype for SpongeBob's characteristics as provided on the Bikini Bottom Genetics 2 worksheet found on Mitchell's Cosmic Adventure. Click "lecture notes" and open Bikini Bottom Genetics 2 worksheet. What is the phenotype for the given genotype - - [LL]?
- A.
Yellow body color
- B.
Blue body color
- C.
Long nose style
- D.
Short nose style
- E.
Round eyes
- F.
Oval eyes
Correct Answer
C. Long nose style -
- 30.
[Bikini Bottom Genetics 2 Worksheet] Please select the phenotype for SpongeBob's characteristics as provided on the Bikini Bottom Genetics 2 worksheet found on Mitchell's Cosmic Adventure. Click "lecture notes" and open Bikini Bottom Genetics 2 worksheet. What is the phenotype for the given genotype - - [ss]?
- A.
Yellow body color
- B.
Blue body color
- C.
Long nose style
- D.
Short nose style
- E.
Round eyes
- F.
Oval eyes
- G.
Squarepants
- H.
Roundpants
Correct Answer
H. RoundpantsExplanation
The phenotype for the given genotype [ss] is Roundpants. This means that SpongeBob has a roundpants body shape.Rate this question:
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- 31.
[Bikini Bottom Genetics 2 Worksheet] Please select the phenotype for SpongeBob's characteristics as provided on the Bikini Bottom Genetics 2 worksheet found on Mitchell's Cosmic Adventure. Click "lecture notes" and open Bikini Bottom Genetics 2 worksheet. What is the phenotype for the given genotype - - [yy]?
- A.
Yellow body color
- B.
Blue body color
- C.
Long nose style
- D.
Short nose style
- E.
Round eyes
- F.
Oval eyes
- G.
Squarepants
- H.
Roundpants
Correct Answer
B. Blue body colorExplanation
The phenotype for the given genotype - - [yy] is blue body color.Rate this question:
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.jpg "All members of Squidward's family has light (B) blue skin, which is a dominant trait for body color. His family claims to be a \"purebred\" line. Squidward recently married a nice girl with (b) light green body color which is a recessive trait. Create a punnett square to show the possibilities that would result of Squidward and his bride had children.
What is the genotype of Squidward?")
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