Amoeba Sisters Sex-linked Traits Quiz!
(47).jpg "Amoeba Sisters Sex-linked Traits Quiz!")
Are you familiar with the Amoeba Sisters and sex-linked traits? This quiz will explain a sex-linked characteristic. If you have color sightlessness, it means that you can see colors differently than most people. Most of the time, it is difficult for someone who is color blind to distinguish between colors. The most frequent types of color blindness are genetic. If you want to know more about sex-linked traits, complete this quiz.
- 1.How many chromosome pairs are there?
- 2.How many individual chromosomes are there?
- 3.How many sex chromosomes are there?
- 4.Is the individual male or female?
- A.
Male
- B.
Female
- 5.How did you determine your answer?
- 6.Color blindness is a sex-linked recessive disorder on the X chromosome. If the allele “b” is used to denote color blindness, circle the genotype(s) that correctly represent(s) a female that is color blind.
- A.
BB
- B.
Bb
- C.
Bb
- D.
XBXB
- E.
XbXb
- F.
XbXB
- G.
XbY
- H.
XBY
- 7.Color blindness is a sex-linked recessive disorder on the X chromosome. If the allele “b” is used to denote color blindness, circle the genotype(s) that correctly represent(s) a male that is color blind.
- A.
BB
- B.
Bb
- C.
Bb
- D.
XBXB
- E.
XbXb
- F.
XbXB
- G.
XbY
- H.
XBY
- 8.Bob is color blind, but he knows that neither of his parents were color blind. He is wondering if he received the gene for color blindness from his mother, his father, or both of his parents. What would you tell Bob? Show a Punnett square to prove your answer!
- A.
That his parents aren't his parents because his genes don't support that idea
- B.
His mom was Heterozygous for colorblindness
- C.
His dad was homozygous recessive for colorblindness
- D.
His mom was homozygous recessive for colorblindness
- 9.Uzy knows that an individual’s sex is determined by sex chromosomes. She knows that females have two X chromosomes and males have one X and one Y chromosome. She creates the Punnett square cross below to show sex inheritance. She wants to know which parent determines the sex of a baby---is it the mother, father, or both? Complete this cross. What would you tell Suzy? Why?
- A.
Mother
- B.
Father
- 10.What disorder is a dominant sex-linked trait?
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