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Politics : Formerly About Advanced Micro Devices

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To: i-node who wrote (884618)9/2/2015 11:13:56 PM
From: tejek  Read Replies (1) of 1578297
 
I think you're confusing markers with mutations.


A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species. It can be described as a variation (which may arise due to mutation or alteration in the genomic loci) that can be observed. A genetic marker may be a short DNA sequence, such as a sequence surrounding a single base-pair change ( single nucleotide polymorphism, SNP), or a long one, like minisatellites.

en.wikipedia.org

Xq28

Xq28 is a chromosome band and genetic marker situated at the tip of the X chromosome which has been studied since at least 1980. [1] The band contains three distinct regions, totaling about 8 Mb of genetic information. [2] Xq28 contains the 12 genes of the melanoma-associated antigen (MAGE) family, [3] of which MAGEA11has been identified as a coregulator for the androgen receptor. [4] Duplications of certain genes within Xq28, namely MECP2 and IRAK1, have been associated with phenotypes including anxiety and autism. [5] The marker came to the public eye in 1993 when studies by Dean Hamer and others indicated a link between the Xq28 marker and male sexual orientation. [6]

read more............

https://en.wikipedia.org/wiki/Xq28
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