California blonde, a new recessive mutation in the deer mouse

Article Abstract:

California blonde, a coat color mutation in the deer mouse Peromyscus maniculatus, is caused by the cfb locus that is nonallelic with the brown, blond and platinum mutant mouse genes. The mutation is characterized by the presence of brown eumelanin instead of the normal black pigments in the hair. The skin and the ears are unpigmented. The eyes are reddish-brown and the pigment layer of the retinal epithelium lacks pigments. This character is inherited as a fully penetrant, autosomal recessive trait and has no sex linkage. The mutant mice have normal viability under laboratory condition.

Deer mouse, Peromyscus maniculatus

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Black crystal: a novel color mutant in the American mink (Mustela vison Schreber)

Article Abstract:

Allelic tests performed on 355 different crosses were done to study the genetics of a new coat color mutation among American minks. The progenies of the crosses showed variations in coat patterns. The results also identified black crystal as a monogenic autosomal semidominant heritable trait which was found to be expressed in the American mink in the course of selection for domestic behavior.

Natural selection, Minks

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