Question

Genes located on same locus but show more than two different phenotypes are called _______a) polygenes
b) multiple alleles
c) co-dominants d) pleiotropic genes.

Answer 1

Genes located on same locus but show more than two different phenotypes are called _______

Answer 2

Hey Sandy,

◆ Answer -
Genes located on same locus but show more than two different phenotypes are called *pleiotropic genes*.

◆ Explanation -
- One gene influencing 2 or more unrelated phenotypic traits is called pleiotropic gene.
- This phenomenon of expressing multiple phenotypes is called as pleiotropy.
- For example, In phenylketonuria mutation in PKU gene causes mental retardation, reduced pigmentation, etc.

Hope this helped you. Thanks for asking..