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.
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...
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
