Different forms or types of genes are called

Explanation:

Genes can acquire mutations in their sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a protein, which cause different phenotypical traits

alleles

Explanation:Genes can acquire mutations in their sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a protein, which cause different phenotypical traits.

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;