Question

C is a dominant gene for a cleft chin, and c is a recessive gene for not having a cleft chin. If a cc genotype parent reproduces with a CC, what is the phenotype of the offspring?

A. All have a cleft chin.
B. 25% have a cleft chin, and 75% do not.
C. None have a cleft chin.
D. Half have a cleft chin, and half do not.

Answer 1

A

Step-by-step explanation:

I think the answer is A because when you cross the genes you got Cc,Cc,Cc,Cc so its phenotype is looks like have a cleft chin.