Will give brainliest
can choose more than one

Which of the following statements about genes and traits is true?

A single gene can control a single trait.

A single gene can influence multiple traits.

A single trait can be controlled by multiple genes.

A single trait can alter multiple genes.

A single gene can influence multiple traits

Explanation: One Gene Can Affect Multiple Traits. How can a mutation in one single gene cause a disease with a wide range of symptoms? This situation is referred to as pleiotropy, and it has been identified in a wide range of species, even humans. ... A pleiotropic gene is a single gene that controls more than one trait.

the answer is d.) homologous; have mammary glands