Some Multifactorial Traits Are Determined by Many Interacting Genes, Each

Multiple Choice

Some multifactorial traits are determined by many interacting genes, each of which may have several alleles.If such a trait is measured in a population, what phenotypic pattern is expected?

A) All individuals will have the same phenotype.
B) Two types of individuals will exist, and most will have the dominant phenotype.
C) Different individuals will each have one of a few discrete phenotypes.
D) The population will have continuous variation in phenotypic expression.