Two parents who do not have sickle cell anemia have a child that has the disease.The parents are both:
A)homozygous for the sickle cell allele.
B)heterozygous for the sickle cell allele.
C)homozygous for the normal allele.
D)epistatic for the sickle cell allele.

Question

Quizplus · Accepted Answer

Both parents must be heterozygous carriers of the sickle cell allele (AS) to have a child with sickle cell anemia (SS), as the disease is inherited in an autosomal recessive manner.

Two Parents Who Do Not Have Sickle Cell Anemia Have