The gene for normal skin pigment (A) can also code for the recessive trait of albinism (a). An albino manand 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) 25% normal skin pigment and 75% albino
E) 100% albino

Question

Quizplus · Accepted Answer

Since the woman is homozygous for the normal skin pigment gene (AA) and the man is homozygous for albinism (aa), all their children will be heterozygous (Aa) and exhibit normal skin pigment, as the normal pigment gene is dominant over the albino gene.

The Gene for Normal Skin Pigment (A) Can Also Code