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homeotic gene

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antennapedia

antennapedia  

A gene residing at 47.9 on the genetic map and within segment 84B of the salivary map of Drosophila melanogaster. The Antp gene is one of a cluster of three genes that specify the type of ...
body plan

body plan  

The ‘blueprint’ according to which an organism develops a predetermined number, arrangement, and size of body components. The body plan is embodied and implemented by the organism's genes (e.g. ...
BX-C

BX-C  

abbr. for the bithorax complex, one of two (see ANT‐C) major families of homeotic genes in Drosophila, mutations in which affect thoracic and abdominal segments.
development

development  

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Overview Page
Synonymous with ontogeny which is concerned with the history of the individual from conception to death, and with the roles of genetics, maturation and learning in shaping the animal's life history.
developmental disorder

developmental disorder  

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Overview Page
Any one of a group of conditions in infancy or childhood, that are characterized by delays in biologically determined psychological functions, such as language. They are more common in males than ...
differentiation

differentiation  

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Overview Page
The occurrence of changes in the structure and function of groups of cells due to increased specialization in an organism.
engrailed

engrailed  

A segment polarity gene in Drosophila located at 2–62.0. In an organ that has undergone developmental compartmentalization (q.v.), such as an imaginal disc (q.v.) of a wing, en + functions as a ...
homeobox

homeobox  

In an embryo, a family of genes that cause the embryo to subdivide as it grows, to form groups of cells which will develop into particular organs and tissues.
homeotic gene

homeotic gene   Reference library

Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
150 words

any of the genes that are allelic for mutations resulting in the conversion of one body part into another. Homeotic

homeotic selector

homeotic selector  

Any of a family of genes in Drosophila that select the expression of homeotic genes. They encode homologous regulatory proteins that contain a homeobox sequence.
Hox genes

Hox genes  

A class of homeotic genes that control development of structures along the head-to-tail (anteroposterior) axis of a wide range of animals. The Hox genes are organized into clusters on certain ...
regulator gene

regulator gene  

In the operon theory of gene regulation, a gene that is involved in switching on or off the transcription of structural genes. When transcribed, the regulator gene produces a repressor protein, which ...

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