Question

Two alligators are heterozygous for albinism (Aa). The dominant allele (A) codes for normal pigmentation, and the recessive allele (a) codes for no pigmentation. What percentage of their offspring would have an albino phenotype?
a. 25%
b. 75%
c. 0%
d. 10%

Answer 1

Answer:

a. 25%

Explanation:

• When using a punnet square, both parents will have genotypes (Aa)
• There is a 25% chance that the offspring will inherit the recessive genes for albinism from each parent