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Dictionary » F » Facultative gene

Facultative gene

Definition

noun, plural: facultative genes

(1) A gene transcribed only when needed or when a cell receives a signal from its surroundings.

(2) A gene whose expression is influenced by environmental factors.


Supplement

Unlike constitutive gene, a facultative gene is not transcribed continually but only when needed.


Compare: constitutive gene.
See also: gene expression.


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by BCH04
Mon Jun 18, 2007 4:15 pm
 
Forum: General Discussion
Topic: HELP ME PLEASE ......!!
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Views: 30975

HELP ME PLEASE ......!!

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Sun Jun 17, 2007 6:41 pm
 
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