Dictionary » S » Segmentation gene

Segmentation gene

Definition

noun, plural: segmentation genes

(1) Any of the genes involved in the early stages of pattern formation in the embryo.

(2) A zygotic gene responsible for the formation of body segments.


Supplement

The segmentation genes are classified into three groups: gap genes, pair-rule genes, and segment polarity genes. In Drosophila, the segmentation genes code for products responsible in forming stripes or segments in the fruit fly embryo.


See also: zygotic gene.


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Theories - Origin of Life

... fly has changed throughout it's existence, regardless of how rapid its generation time may be. Segmentation is perhaps the most successful body plan in existence. The three-segment body ...

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by AstraSequi
Tue Mar 27, 2012 2:32 am
 
Forum: Evolution
Topic: Theories - Origin of Life
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Views: 755244

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... in G-C and C-G (collectively GC) and these regions tend to have more genes, and important genome features are dependent on these isochore regions ... why they exist. So an outstanding feature of eukaryote genomes is this segmentation of the DNA into these isochore r egions, each with a distinctive ...

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by scottie
Tue Jan 03, 2012 12:15 pm
 
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... complex, able to survive in an environment has a better probability of generating offspring with its genes. Technically, degenerate evolution would ... taught about are the Hox genes, commonly studied for their effects on segmentation in Drosophilia. You'd also ask how the increase in noncoding ...

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Fri Dec 23, 2011 1:36 am
 
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Proliferation and Precipitation Theory

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Tue Mar 02, 2010 8:07 pm
 
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