Quantitative trait loci that modify the severity of spotting in piebald mice.

Abstract excerpt

Mice homozygous for the recessive mutation piebald (s) exhibit a white-spotted coat caused by the defective development of neural crest-derived melanocytes. The severity of white spotting varies greatly, depending on the genetic background on which s is expressed. A backcross between two inbred strains of s/s mice that exhibit large differences in the degree of spotting was used to identify six genetic modifiers...

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