A mother has a child that is diagnosed with sickle cell anemia.While the mother does not have the disease, which characteristic of her genetic makeup is responsible for the child's disease?
A) Hb S and Hb S
B) Hb S and Hb A
C) Hb S and Hb C
D) Hb A and Hb C

Question

Quizplus · Accepted Answer

The mother is a carrier of the sickle cell trait, meaning she has one normal hemoglobin allele (Hb A) and one sickle cell allele (Hb S). This allows her to pass the Hb S allele to her child, who can develop sickle cell anemia if they inherit another Hb S allele from the father.

A Mother Has a Child That Is Diagnosed with Sickle