The Threshold Model Has Been Proposed to Explain Situations in Which

Multiple Choice

The threshold model has been proposed to explain situations in which

A) a small number of genotypes can produce a wide range of phenotypes.
B) a wide range of genotypes can produce a limited number of phenotypes.
C) environmental factors only affect individuals.
D) a simple trait can produce a wide range of phenotypes.
E) environmental factors do not have an influence on phenotype.