Joseph is homozygous for normal blood cells. What does this mean?
A) He is an identical twin.
B) He has matching alleles.
C) He has recessive alleles.
D) He is likely to develop sickle-cell anemia.

Question

Quizplus · Accepted Answer

Homozygous means that an individual has two matching alleles for a particular trait. In this case, Joseph has two normal alleles for blood cells, meaning he does not carry the recessive allele for sickle-cell anemia.

Joseph Is Homozygous for Normal Blood Cells