_____ refers to a trait that is affected by many variables,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.
A) Polygenic
B) Nonadditive
C) Multifactorial
D) Monozygotic

Question

Quizplus · Accepted Answer

Multifactorial refers to a trait that is influenced by both genetic and environmental factors, and the expression of genes can be enhanced, halted, shaped, or altered resulting in a phenotype that may differ from the genotype. Polygenic refers to a trait that is influenced by multiple genes, Nonadditive refers to genetic effects that are not simply additive, and Monozygotic refers to having developed from a single fertilized egg, which is not relevant to the definition given.

_____ Refers to a Trait That Is Affected by Many