The International Journal of Developmental Biology

Int. J. Dev. Biol. 42: 501 - 505 (1998)

Vol 42, Issue 3

Special Issue: Developmental Genetics of Drosophila

Seven types of pleiotropy

Published: 30 November -0001

J Hodgkin

MRC Laboratory of Molecular Biology, Cambridge, United Kingdom.


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.

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