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User:JohnLloydScharf/Physical Features

From SNPedia

  • "rs3829241","11","68611939","AG"
Genotype Effect
rs3829241(A;A)* ?
rs3829241(A;G)* ?
rs3829241(G;G)* ?
http://www.snpedia.com/index.php/Rs3829241
  • rs4911442 20 32818707 AA
Genotype Effect
rs4911442(A;A)* ?
rs4911442(A;G)* ?
rs4911442(G;G)* ?
http://www.snpedia.com/index.php/Rs4911442

http://hmg.oxfordjournals.org/content/18/R1/R9.full
Influences appearance gnxp


  • "rs642742","12","87823877","TC"=AG
Orientation minus
Genotype Effect
rs642742(A;A)* ?
rs642742(A;G)* ?
rs642742(G;G)* ?

For the rs642742 SNP (184745.0002), located 326 kb upstream of the KITLG transcription start site, the frequency of the ancestral A allele is at least 92% in West Africans, whereas the frequency of the derived G allele is at least 86% in Europeans and East Asians. Admixture mapping suggested that replacement of AA with GG in the rs642742 SNP may account for a lightening of a person's skin by 6 to 7 melanin units. In comparison, the overall skin reflectance difference between West Africans and Europeans is 30 melanin units.


  • rs17822931 16 46815699 CC
Rs17822931(C;C) wet earwax
Rs17822931(C;T) 2 wet earwax
Rs17822931(T;T) dry earwax
http://www.snpedia.com/index.php/Rs17822931(C;C)


  • "rs26722","5","33999627","CC"
Genotype Effect
rs26722(C;C) normal
rs26722(C;T) perhaps darker eye, hair, skin/2.1 magnitude
rs26722(T;T) darker eye, hair, skin color
http://www.snpedia.com/index.php/Rs26722

Although the rs26722(T) alllele is relatively rare, at least statistically it seems to be associated with darker eye, hair, and skin color, all other things being equal.[PMID 15714523]