Question

what is required for a person to have sickle-cell disease?
A) the person is homozygous and has malaria
B) the person is heterozygous and has malaria
C) the person is heterozygous for the trait
D) the person is homozygous for the trait

Answer 1

i believe it is D, the person must inherit the trait from both of his or her parents in order to actually have the disease. Hope this helps!