A gene duplication affecting expression of the ovine ASIP gene is responsible for white and black sheep

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Figure 2.
Figure 2.

Illustration of sheep coat color patterns. Three coat colors in the Australian Merino; (A) the dominant white; (B) the non-agouti, also known as recessive self-color-black; and (C) the badgerface pattern. The dominant white coat color in Texel is displayed in D. Romanov sheep (E) appear to have a pattern similar to recessive self-color-black and are proposed as homozygous for the most recessive ASIP allele, Aa. (F) The Barbary sheep wild-type coat color. Hypothesized genotypes for ASIP are indicated.

This Article

  1. Genome Res. 18: 1282-1293

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