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Pronunciation: mor'gan

Definition: The standard unit of genetic distance on the genetic map: the distance between two loci such that on average one crossing over will occur per meiosis; for working purposes, the centimorgan (0.01 M) is used.

[T.H. Morgan, U.S. geneticist, 1866–1945]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.