Question

Sickle Cell anemia is a disease caused by a recessive allele. What is the chance a child will be a carrier for Sickle Cell if one parent has it, and the other parent does not, and is homozygous.

A. 50%
B. 100%
C. 75%
D. 25%

Answer 1

Answer: A

Step-by-step explanation:

For a child to be a carrier, one parent must be homozygous dominant and other one must be heterozygous. So that the cross results should show results for two homozygous dominant offspring and two heterozygous offspring