The Agouti and Extension Series of Alleles, Umbrous, and Sable
Although there are a great number of loci which influence the synthesis of melanin in mice,1 there are only two loci which control the nature of the pigment formed. Thus the agouti and extension series of alleles determine the relative amount and distribution of yellow pigment (phaeomelanin) and black or brown pigment (eumelanin) in the hairs of the coat.
KeywordsObesity Tyrosine Recombination Cysteine Caffeine
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