Dictionary > Homeosis

Homeosis

Definition
noun
The formation of a normal structure or organ in place of another at an abnormal site, as caused by the expression of a mutated hox gene.
Supplement
An example is the formation of a leg from the head of a fruit fly in stead of the expected antenna. This is caused by a loss of function mutation in antennapedia hox gene.
Related forms: homeotic (adjective), homeotically (adverb).
Also called: homeotic transformation
See also: homeotic mutation, hox gene.


You will also like...

Growth Patterns
Growth Patterns

This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..

"Cronopio dentiacutus", a prehistoric mammal (an illustration)
Mammalian Ancestors

Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

Lights' Effect on Growth
Lights’ Effect on Growth

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Gene Pool and Speciation
The Gene Pool and Population Genetics

According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

Wart-like leaf galls on grape leaves
Plant Cell Defense

Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

Origins of Life on Earth
Origins of Life on Earth

Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..