5 Quick Mendelian Genetics Questions! Studying for test, but I don't have an answer key to check?

1. Simon has brown eyes and allele "b" and allele "B" at the eye color locus. What is his genotype?

Question 1 answers

a. Bb

b. B

c. b

d. Brown eyes



2. A somatic cell has two copies of each chromosome (forming a homologous pair) and thus _____ alleles of a gene, which may be identical or different.

Question 2 answers

a. 1

b. 2

c. 4

d. 2 or 4, depending on the type of chromosome.



3. Mendel's Law of Segregation states that different allele pairs segregate independently during gamete formation.

Question 3 answers

a. True

b. False



4. Snapdragons exhibit incomplete dominance. If R=red flowers and r=white flowers, which of the following crosses would yield the highest number of pink flowers?

Question 4 answers

a. RR x Rr

b. Rr x Rr

c. RR x rr

d. rr x Rr



5. What is the characteristic result of a simple dihybrid cross between two individuals heterozygous at both loci?

Question 5 answers

a. 9:3:3:1 phenotype ratio

b. 1:2:1 genotype ratio

c. 3:1 phenotype ratio

d. Any, depends on cross
5 Quick Mendelian Genetics Questions! Studying for test, but I don't have an answer key to check?
1a

2b

3a

4c

5a
Reply:1. A 2. C 3. true 4. C 5. B