In sickle cell anemia,affected individuals carry ____.
A) one of several different nucleotide substitutions
B) the same single nucleotide substitution
C) more than one nucleotide substitution
D) a number of mutant alleles
E) one mutant allele in several genes

Question

Quizplus · Accepted Answer

Sickle cell anemia is caused by a single nucleotide substitution in the gene that codes for the beta-globin subunit of hemoglobin. This substitution results in a change in the amino acid sequence, causing the hemoglobin molecules to form abnormal sickle-shaped structures.

In Sickle Cell Anemia,affected Individuals Carry ____