The Agouti and Extension Series of Alleles, Umbrous, and Sable

  • Willys K. Silvers


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.


Obesity Tyrosine Recombination Cysteine Caffeine 


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Copyright information

© Springer-Verlag New York Inc. 1979

Authors and Affiliations

  • Willys K. Silvers
    • 1
  1. 1.Department of Human Genetics, School of MedicineUniversity of PennsylvaniaPhiladelphiaUSA

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