Question

Sickle-cell anemia is a genetic disorder of the blood in which the shape of red blood cells is distorted, resulting in a variety of health problems. The allele for normal blood cell production (H) is dominant to the allele for sickle cell production (h).

If one parent has sickle-cell anemia and the other parent is a carrier, what is the probability that their child will have sickle-cell anemia?
A. 100%
B. 50%
C. 75%
D. 25%
punnet square
H h
h ? ?
h ? ?

Answer 1

@iGreen @AMYCARTER

Answer 2

@King.Void.

Answer 3

@bohotness @cupcakerain

Answer 4

@phi

Answer 5

help i green?