The Following Coat Colors Are Determined by Alleles at One

Essay

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:
Assign gene symbols for the genetic control of coat color on the basis of these data. Diagram the last two matings.