Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Segment polarity gene

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

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.