Alleles are:
A) different forms of a particular gene.
B) different types of deoxyribonucleic acid (DNA).
C) defective chromosomes that are missing a few key genes.
D) chemicals or other environmental agents that are known to cause birth defects.

Question

Quizplus · Accepted Answer

Alleles are different forms of a particular gene that occur at the same location, or locus, on a chromosome. These different alleles can produce different versions of a trait or phenotype.

Alleles Are