Home Forum Dictionary Articles Tutorials Books Directory Share your work


Edit page | Page history | Printable version

Dictionary » H » Homeotic gene

Homeotic gene

Definition

noun, plural: homeotic genes

A developmental gene that specifies the anterior-posterior axis, as well as segment identity during the early embryonic development of certain organisms, such as metazoans.


Supplement

The gene is called homeotic because mutation of this gene leads to the formation of a normal structure or organ in place of another at an abnormal site.


Synonym: Hox gene


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Evo-Devo

... can hypothesize about a chicken that has a single point mutation in the gene for the Sonic Hedgehog growth factor. This would cause the Zone of Polarizing ... that two very different looking organisms that formed by a mutation in homeotic genes according to the evo-devo theory most likely CAN interbreed, ...

See entire post
by MrMistery
Sat Mar 08, 2008 10:24 am
 
Forum: Genetics
Topic: Evo-Devo
Replies: 14
Views: 5553

God vs Evolution

... coffee". I have always been intrigued how these homeotic genes are able to direct the development of the organism. The best example is how a small mutation ...

See entire post
by MrMistery
Sun Jan 20, 2008 4:18 pm
 
Forum: Evolution
Topic: God vs Evolution
Replies: 266
Views: 186376

The Fiber Disease

... like russian doll???not a single mode of life left gets out of the gene shuffle.................................this psycho bitches theory is ... the poplar (Populus trichocarpa Torr. & Gray) homolog of the floral homeotic gene LEAFY (PTLF), which could be used to impart male and female ...

See entire post
by Nadas Moksha
Wed Oct 04, 2006 6:28 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4468160

distinction b/t homeotic genes and master genes?

... called the homeodomain. I have also found out that the definition of a homeotic gene is not that it contains a homeobox as I previously thought. It is actually based in the ...

See entire post
by herb386
Tue Jul 11, 2006 10:00 am
 
Forum: Genetics
Topic: distinction b/t homeotic genes and master genes?
Replies: 6
Views: 3438

distinction b/t homeotic genes and master genes?

in the case of the SRY-gene it is a kind of 'masterswitch' --> the genes it turns on or doesn't turn on determines the way of the sexdetermination. --> homeotic genes are indeed as already said genes with a homeobox encoding for the homeodomain. These ...

See entire post
by sdekivit
Thu Jul 06, 2006 7:17 pm
 
Forum: Genetics
Topic: distinction b/t homeotic genes and master genes?
Replies: 6
Views: 3438
View all matching forum results

This page was last modified 23:16, 8 January 2009. This page has been accessed 7,430 times. 
What links here | Related changes | Permanent link