A single gene may exist in different forms, what name is given to these different forms?

Alleles is the name given to the Various forms of a single gene.

A single-celled animal is called an amoeba. I didn’t understand what you mean by single-cell gene. I didn’t think this was possible.

They are called “alleles” (from “allelomorphs” meaning “other shapes”).

alleles

alleles

Alleles. Please give me best answer! =D