A Mutant Allele Results in a Truncated Form of a Signaling

Multiple Choice

A mutant allele results in a truncated form of a signaling protein.This protein can still bind its receptor protein but does not activate the receptor and inhibits wild-type signaling proteins from binding the receptor.What type of allele is this mutant allele?

A) hypomorphic allele
B) hypermorphic allele
C) neomorphic allele
D) antimorphic allele