Pleiotropy (from Ancient Greek πλείων (pleíōn) 'more' and τρόπος (trópos) 'turn, way, manner, style') is a condition in which a single gene or genetic variant influences multiple phenotypic …

Jul 24, 2025 · In genetics, pleiotropy describes a phenomenon where a single gene influences multiple, often seemingly unrelated, observable traits within an organism. This means that a …

Quite simply, pleiotropy reflects the fact that most proteins have multiple roles in distinct cell types; thus, any genetic change that alters gene expression or function can potentially have...

Jul 11, 2019 · In pleiotropy, one gene determines multiple traits. Examples of pleiotropic traits include sickle cell trait, PKU disease, and frizzled feather trait.

Jun 2, 2024 · By definition, pleiotropy is a situation in which one gene controls for the expression of multiple phenotypic traits. These traits don't have to be clearly linked, i.e., eye shape and …

Sep 10, 2024 · Pleiotropism, also referred to as pleiotropy, is a genetic phenomenon where a single gene influences multiple, seemingly unrelated phenotypic traits. In essence, one gene …

In genetics, pleiotropy refers to the phenomenon that a single gene or genetic variant affects two or more seemingly unrelated phenotypic traits [1, 2]. Pleiotropy was first introduced in the …

Pleiotropy: where one gene affects multiple characteristics. Lethal alleles: alleles that prevent survival when homozygous or heterozygous.

Jun 16, 2022 · Pleiotropy (biology definition): the condition of having multiple effects. In genetics, it refers to a single gene controlling or influencing multiple (and possibly unrelated) phenotypic …

Pleiotropy Some alleles contribute to multiple phenotypes that may appear to be unrelated. An example of this are mutations in the gene ATM.