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interactions between genetic and environmental factors determine direction of population lateralization

Published online by Cambridge University Press:  26 September 2005

chao deng
chao deng
Affiliation:
department of biomedical science, university of wollongong, wollongong, nsw 2522, australiachao@uow.edu.au
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Abstract

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direction of the embyro's head rotation is determined by asymmetrical expression of several genes (such as shh, nodal, lefty, and fgf8) in hensen's node. this genetically determined head-turning bias provides a base for light-aligned population lateralization in chicks, in which the direction of the lateralization is determined by genetic factors and the degree of the lateralization is determined by environmental factors.

Type
open peer commentary
Information
Behavioral and Brain Sciences , Volume 28 , Issue 4 , August 2005 , pp. 598
Copyright
2005 cambridge university press