You Have a Gene with Alleles X,Y,and Z,and You Know

Multiple Choice

You have a gene with alleles X,Y,and Z,and you know that these are codominant alleles.You cross an individual that is homozygous X with an individual that is homozygous Z.What phenotypes will the offspring of this cross express?

A) phenotypes of X and Z,equally
B) a phenotype between Z and X
C) phenotype Y
D) phenotype X
E) phenotype Z