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...
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
