title: Seven types of pleiotropy.
abstract: Pleiotropy, a situation in which a single gene influences multiple phenotypic traits, can arise in a variety of ways. This paper discusses possible underlying mechanisms and proposes a classification of the various phenomena involved.
authors.affiliation: MRC Laboratory of Molecular Biology, Cambridge, United Kingdom. jah@mrc-lmb.cam.ac.uk
authors.forename: J
authors.initials: J
authors.lastname: Hodgkin
mesh_terms: D000818:Animals; D015509:Developmental Biology; D005796:Genes / Q000502:physiology*; D014644:Genetic Variation; D008957:Models, Genetic; D010641:Phenotype