A polymorphism is a nucleotide pair, gene, or region of the genome:
A)that has recently undergone mutation.
B)that has escaped DNA repair mechanisms sometime in the past.
C)for which every individual is homozygous.
D)that decreases the risk of a genetic disease.
E)that increases the risk of a genetic disease.

Question

Quizplus · Accepted Answer

A polymorphism is a variation in the DNA sequence that has escaped DNA repair mechanisms and is present in a significant portion of the population. It is not necessarily associated with disease risk.

A Polymorphism Is a Nucleotide Pair, Gene, or Region of the Genome