A trait that is affected by many factors, both genetic and environmental, that enhance, halt, shape, or alter the expression of genes, resulting in a phenotype that may differ markedly from the genotype, is said to be _____.

Question

Quizplus · Accepted Answer

A trait that is affected by both genetic and environmental factors is said to be multifactorial. Polygenic refers to a trait that is controlled by multiple genes. Nonadditive refers to the interaction of genes in a way that cannot be predicted based on the additive effects of each gene. Monozygotic refers to identical twins who share the same genetic material.

A Trait That Is Affected by Many Factors, Both Genetic