Abstract
A coat-color mutant was found in the wild musk shrew (Suncus murinus, Insectivora). Five musk shrews with gray pelage, the common coat color of this species, were captured in the village of Tambum near Jakarta, Indonesia. Two males and two females were transported to Japan and mated. Matings between one male and two females segregated several cream-colored offspring, a color that had never been seen before in this species. From the pedigree record and data on mating experiments, it was confirmed that this mutant coat color was expressed in the homozygote by an autosomal recessive gene designated cr, and at least three of the four wild shrews examined were carriers of this gene. The cr gene was associated with failure of normal pigmentation in the pelage and skin. The mutant shrews also showed some behavioral abnormalities.
Published Version
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