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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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colleen colleen
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10 years ago
The following coat colors are 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:

   Cross   Parents   Offspring

   1 cremello X cremello   all cremello
   2 chestnut X chestnut   all chestnut
   3 cremello X chestnut   all palomino
   4 palomino x palomino   1/4 = chestnut
         1/2 = palomino
         1/4 = cremello

Assign gene symbols for the genetic control of coat color on the basis of these data.
Diagram the last two matings.
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saviosavio
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10 years ago
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