Home Forum Dictionary Articles Tutorials Books Directory Share your work


Edit page | Page history | Printable version

Dictionary » G » Genetic locus

Genetic locus

Definition

noun, plural: genetic loci

The location of a gene (or of a significant sequence) on a chromosome or on a linkage map.


Supplement

For example, the locus of the gene OCA1 (or Oculocutaneous Albinism Type 1, the gene associated with albinism) is on 11q1.4-a2.1, which means it is on the long arm of chromosome 11, between sub-band 4 of band 1 to sub-band 1 of band 2.


Word origin: locus » Latin stlocus, a place.

Also called: gene locus.
See also: allele.


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



Results from our forum


How dominance works at the DNA/RNA/protein

... both of which are *identical*. An individual chromosome contains genetic material from *one* parent. ... No. Chromatids are present ONLY during ... are Green. So, green is dominant. At that point it’s called a trait locus. Than you do a lot of research and discover that this locus corresponds ...

See entire post
by Cat
Fri Oct 05, 2012 1:15 am
 
Forum: Genetics
Topic: How dominance works at the DNA/RNA/protein
Replies: 10
Views: 2050

Theories - Origin of Life

... data suggest that many are nonrandom, cell type-, cell stage- and locus-specific events. Recent studies have revealed novel cellular mechanisms ... The reality is that most genetic changes occur as a result of cellular processes in response to stress, ...

See entire post
by AstraSequi
Tue Mar 27, 2012 2:25 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534358

Re: What is Second-Order Selection?

... population affects the mutation rate. This can be done by postulating a locus that affects the mutation rate of other genes. This locus might, for ... loci are the most useful devices for understanding the evolution of genetic systems. Source: Futuyma, D.J. (1998). Evolutionary Biology , 3rd ...

See entire post
by Luxorien
Sat Mar 03, 2012 8:12 pm
 
Forum: Evolution
Topic: What is Second-Order Selection?
Replies: 1
Views: 913

Re: Theories - Origin of Life

... data suggest that many are nonrandom, cell type-, cell stage- and locus-specific events. Recent studies have revealed novel cellular mechanisms ... if necessary. The point I make is this. The reality is that most genetic changes occur as a result of cellular processes in response to stress, ...

See entire post
by scottie
Sat Mar 03, 2012 5:23 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534358

Genetic interaction

... production and is produced by the recessive genotype aa. The albino locus is epistatic to the vitiligo locus. Another gene locus, the action ... and mildly anemic : 1/6 albino and mildly anemic. What is the mode of genetic action of the gene for thalassemia? (b) What percentage of the viable ...

See entire post
by MSB2012
Sat Dec 10, 2011 12:18 pm
 
Forum: Genetics
Topic: Genetic interaction
Replies: 4
Views: 1863
View all matching forum results

This page was last modified 05:19, 3 November 2008. This page has been accessed 43,273 times. 
What links here | Related changes | Permanent link