fivelec - Dog Colors Key Color Loci A Agouti Sable Wolf...

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Dog Colors
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Key Color Loci • A Agouti – Sable – Wolf – Black and tan – Recessive black • B Brown – Wild type – Chocolate
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Key Color Loci, cont’d • D Dilute – Wild type, no dilution – Dilute (black to silverish gray) • E Extension – Wild type, allows black – Red, black cannot be produced
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Spotting Locus • Solid, no spotting – S + • Irish spotting (white collar and feet) - s i • Piebald (extensive white spotting such that coloration may only show on the head – s p • Another locus, the Ticking locus, produces small spots within areas that are white due to the S locus. (Dalmations, Blue Heelers)
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K, a newly discovered color locus in dogs • K B - Dominant Black • k br - Brindle • k y - Yellow To produce a brindle dog, the following genotypes must be present: a y / - k br / k br E + / - or a y / - k br / k y E + / -
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B- E- K B / K B B- ee K B / K B bb E- K B / K B bb ee K B / K B Labrador Retriever Color Genetics
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Red – a t /a t b/b D/D Black and tan a t /a t B/B D/D Blue a t /a t B/B d/d a t /a t b/b d/d Fawn
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Weimaraners
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This “blue” Weimaraner carries a different b locus mutant than the “normal” silver gray Weimaraner (below) Labrador puppies
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fivelec - Dog Colors Key Color Loci A Agouti Sable Wolf...

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