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Rabbit Color Genetics

Rabbit Color Genetics. Coat Color. Coat color in rabbits is controlled by at least 5 known genes. 2 more are suspected. ( Aa -B-Cch-Dd-E) Our discussion will focus on what is called the A locus. A Locus.

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Rabbit Color Genetics

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  1. Rabbit Color Genetics

  2. Coat Color • Coat color in rabbits is controlled by at least 5 known genes. 2 more are suspected. • (Aa-B-Cch-Dd-E) • Our discussion will focus on what is called the A locus.

  3. A Locus • The A locus determines whether the rabbit will be solid colored or wild (Agouti) colored. AA – Homozygous Dominant - Wild Aa – Heterozygous – Wild aa – Homozygous Recessive - Solid

  4. Father Father – Heterozygote Aa - Agouti

  5. Mother Mother – Homozygous Recessive aa - Solid (Black)

  6. Punnet Square

  7. Expected Colors & Percentages 2/4 - Aa Heterozygous (50%) Wild color2/4 – aa Homozygous Recessive (50%) Solid

  8. Resulting Offspring • 3 Wild - 2 Solid (60%/40%)

  9. MotherBlue (aa-B-Ccch-dd-E FatherChestnut (Aa-B-Ccch-Dd-E) Chinchilla(Aa-B-cchcch-Dd-E) Opal(Aa-B-C-dd-E) Blue (?)(aa-B-C-dd-E)Squirrel (?)(Aa-B-cchcch-dd-E) Black(aa-B-C-D-E) Blue (aa-B-C-dd-E) Blue (aa-B-C-dd-E)

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