Mendelian Genetics Assessment
This quiz will not count as a grade in pinnacle. It will allow me to see where you stand as far as understanding the material and being able to cross punnet squares. There will be an activity following the quiz results and you will be put into groups based on how you do.
TRY YOUR BEST!
- 1.
A purebred (true-breeding) tall person is crossed with a purebred (true-breeding) short person and all of their offspinf are tall. What is the most likely genotype of the offsping?
- A.
TT
- B.
Tt
- C.
Tt
- D.
TT or tt
Correct Answer
B. Tt -
- 2.
Green eyes is dominant to brown eyes. If you cross a two people who are heterozygous for green eyes, what is the genotypic ratio of the offsping?
- A.
3:1
- B.
4:0
- C.
1:2:1
- D.
2:2
Correct Answer
C. 1:2:1 -
- 3.
A homozygous organism is best described as which of the following?
- A.
Dominant
- B.
Recessive
- C.
Hybrid
- D.
Purebred or true-breeding
Correct Answer
D. Purebred or true-breeding -
- 4.
The unknown genotype of an individual or parent with a dominant phenotype can be determined by using
- A.
Corssing over
- B.
Test cross
- C.
Ratio
- D.
Probability
Correct Answer
B. Test cross -
- 5.
If 2 heterozygous individuals are crossed, what percent of their offsping will also be heterozygous?
- A.
25%
- B.
50%
- C.
75%
- D.
100%
Correct Answer
B. 50% -
- 6.
What is another term for heterozygous?
- A.
Hybrid
- B.
Dominant
- C.
Recessive
- D.
Purebred or true-breeding
Correct Answer
A. Hybrid -
- 7.
Black fur is dominant to white fur. Cross two heterozygous black mice. What is the phenotypic ratio of the offsping?
- A.
3:1
- B.
4:0
- C.
1:2:1
- D.
2:2
Correct Answer
A. 3:1 -
- 8.
The term associated with showing the physicial traits is known as
- A.
Genotype
- B.
Phenotype
- C.
Allele
- D.
All of the above
Correct Answer
B. Phenotype -
- 9.
The term associated with the genes or letters of a trait is known as
- A.
Genotype
- B.
Phenotype
- C.
Allele
- D.
All ove the above
Correct Answer
A. Genotype -
- 10.
The scientific study of heredity is known as
- A.
Allelics
- B.
Biology
- C.
Genetics
- D.
Pollination
Correct Answer
C. Genetics -
- 11.
Rate your comfort level with crossing punnet squares for dominant and recessive traits.
- A.
0: I do not get it!
- B.
1: Got it...it is so easy!
-
Quiz Review Timeline +
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Current Version
-
Feb 27, 2013Quiz Edited by
ProProfs Editorial Team -
Sep 26, 2012Quiz Created by
Rachel_hildreth1
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