Genetic basis of adaptive evolution of a polyphenism by genetic accommodation.

Journal Article (Journal Article)

Polyphenisms are evolved adaptations in which a genome produces discrete alternative phenotypes in different environments. In this study, the genetic basis of the evolution of a polyphenism by genetic accommodation was investigated. A polyphenic strain and a monophenic strain of Manduca sexta (L.) were crossed and the F(1) offspring and backcross progeny were analysed. The larval colour polyphenism was found to be regulated by one sex-linked gene of major effect and many smaller effect modifier genes. The finding shows that the mechanism of genetic accommodation relies on genetic changes that are consistent with the current view of the genetic basis of adaptive evolution.

Full Text

Duke Authors

Cited Authors

  • Suzuki, Y; Nijhout, HF

Published Date

  • January 2008

Published In

Volume / Issue

  • 21 / 1

Start / End Page

  • 57 - 66

PubMed ID

  • 18034806

Electronic International Standard Serial Number (EISSN)

  • 1420-9101

International Standard Serial Number (ISSN)

  • 1010-061X

Digital Object Identifier (DOI)

  • 10.1111/j.1420-9101.2007.01464.x


  • eng