Home Forum Dictionary Articles Tutorials Books Directory Share your work


Edit page | Page history | Printable version

Dictionary » G » Genetic marker

Genetic marker

Definition

noun, plural: genetic markers

A gene or (a fragment of) DNA sequence having a known location on a chromosome, has an easily identifiable phenotype and whose inheritance pattern can be followed.


Supplement

Genetic markers act as chromosomal landmarks. They are used to trace or identify specific region of a gene (especially one that is associated with an inherited disease) on a chromosome. They are also used to determine a linkage group or a recombination event.


Also called: marker, marker gene, DNA marker.
See also: genetic map.


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



Results from our forum


T cell differentiation

Well, you almost got it :) RTEs already express CD4 or CD8 marker (all T cells leaving the thymus are "single positive" CD4+ ... monitoring thymic output in both healthy individuals and in patients with genetic or acquired CD4+ T cell immunodeficiencies." (Haines et al. 2009)

See entire post
by biohazard
Thu Apr 16, 2009 6:53 pm
 
Forum: Human Biology
Topic: T cell differentiation
Replies: 12
Views: 2252

Re:

Hi It seems that not so many people here interested in Population genetic anyway I have an other question Who know what does effective alleles ... HWE, does this mean that this gene cannot be used as a genetic marker or there is no hope for this Loci to be in Linkage-disequilibrium with ...

See entire post
by F4T32008
Sun May 11, 2008 4:23 pm
 
Forum: Genetics
Topic: About Pop. genetic heterozygosity & HWE
Replies: 4
Views: 1298

About Pop. genetic heterozygosity & HWE

... fourth year Zoology science and I am so interested in population genetic and bioinformatics I read a lot of scientific articles in Population ... HWE, does this mean that this gene cannot be used as a genetic marker or there is no hope for this Loci to be in Linkage-disequilibrium ...

See entire post
by Proteinic
Tue May 06, 2008 3:41 pm
 
Forum: Genetics
Topic: About Pop. genetic heterozygosity & HWE
Replies: 4
Views: 1298

Re: Species vs Race?

... to be the least requirement - which explains the demographics). It's a genetic marker for that pleasure that I lack. Or rather, a part of me that is repressed enough to keep ...

See entire post
by geb
Thu Feb 14, 2008 8:00 pm
 
Forum: General Discussion
Topic: Species vs Race?
Replies: 26
Views: 2292

Re: Genetic modification

... have to put the gene under the control of a promoter that is active in plant cells. And then you probably have to have some sort of selectable marker that is also under the control of a plant-active promoter.

See entire post
by blcr11
Thu Feb 07, 2008 9:28 pm
 
Forum: Genetics
Topic: Genetic modification
Replies: 7
Views: 1376
View all matching forum results

This page was last modified 06:32, 3 November 2008. This page has been accessed 1,530 times. 
What links here | Related changes | Permanent link