Dictionary » S » Segment polarity gene

Segment polarity gene

Definition

noun

A segmentation gene whose function is to define the anterior and posterior polarities within each embryonic parasegment.


Supplement

The segmentation polarity genes as the name implies are genes responsible for the polarity within each parasegment of the embryo. Examples are engrailed and gooseberry genes. These genes are expressed sequentially after pair-rule gene.


See also: segmentation gene, zygotic gene.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified 23:05, 8 January 2009. This page has been accessed 8,783 times. 
What links here | Related changes | Permanent link