Sickle-cell disease
A) occurs in individuals who have one allele for normal blood cells and one allele for sickle-shaped cells.
B) is not an inherited disorder.
C) is not a serious health problem because it is easily cured.
D) is becoming less common in successive generations of African Americans.

Question

Quizplus · Accepted Answer

Sickle-cell disease is an inherited disorder that occurs in individuals who have two alleles for sickle-shaped cells. It is a serious health problem, but due to genetic counseling and awareness, its prevalence is decreasing in some populations, including African Americans.

Sickle-Cell Disease