The Following Coat Colors Are Known to Be Determined by Alleles

question 6

Multiple Choice

The following coat colors are known to be determined by alleles at one locus in horses: palomino = golden coat with lighter mane and tail cremello = almost white chestnut = brown
The following table gives ratios obtained in matings of the above varieties: Assign gene symbols for the genetic control of coat color on the basis of these data.

• A)C¹C¹ = chestnut,C²C² = cremello,C¹C² = palomino
• B)C¹C¹ = cremello,C²C² = chestnut,C¹C² = palomino
• C)C¹C¹ = palomino,C²C² = chestnut,C¹C² = cremello
• D)C¹C¹ = chestnut,C²C² = palomino,C¹C² = cremello
• E)C¹C¹ = palomino,C²C² = cremello,C¹C² = chestnut

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