The gene for normal skin pigment (A)can also code for the recessive trait of albinism (a).An albino man and a homozygous normal pigmented woman marry and have four children.What is the phenotype of the children?
A)75% normal skin pigment and 25% albino
B)100% normal skin pigment
C)50% normal skin pigment and 50% albino
D)100% albino

Question

Quizplus · Accepted Answer

The albino man has the genotype aa, and the homozygous normal pigmented woman has the genotype AA. All children will inherit one A allele from the mother and one a allele from the father, resulting in the genotype Aa, which expresses the normal skin pigment phenotype.

The Gene for Normal Skin Pigment (A)can Also Code for the Recessive