A different form of an allele at a particular locus that can have no effect to major effects on the phenotype is a/an ________.

A) allelic variant
B) mutated allele
C) polymorphism
D) All of the choices are correct.

Allelic Variant

A version of a gene at the same locus (position) on a chromosome that differs in sequence or expression from other versions.

Polymorphism

The occurrence of two or more clearly different morphs or forms, also referred to as alternative phenotypes, in the population of a species.

Mutated Allele

A variant form of a gene that has undergone a mutation, leading to changes in the gene's DNA sequence which may affect the organism's traits.