A mutation in a single gene always has only one discrete effect on an individual's phenotype.

Question

Quizplus · Accepted Answer

This statement is false. A mutation in a single gene can have multiple effects on an individual's phenotype. This is because genes often code for proteins that have multiple functions in the body, and a mutation in one part of the gene can disrupt multiple aspects of protein function. Additionally, genes can interact with other genes and environmental factors to produce complex phenotypic outcomes.

A Mutation in a Single Gene Always Has Only One