In a Mapping Experiment with Three Linked Genes, Which Phenotype

Multiple Choice

In a mapping experiment with three linked genes, which phenotype should occur most often in the F2 offspring?

A) Parental phenotypes.
B) Phenotypes of individuals with single crossover events.
C) Phenotypes of individuals with double crossover events.
D) All of the phenotypes should occur equally in the F2 generation.