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"in horses, black color (b), dominates chestnut (b). the trotting gait (t) dominates the pacing gate (t). a cross is made between a horse homozygous for both black color and practicing gait and a horse homozygous for both chestnut color and trotting gait. list the probable genotype and phenotype of offspring resulting from such a cross."

1 Answer

7 votes
Black color (B) and practising gait (t) horse has a genotype BBtt
Chestnut color (b) and trotting gait (T) horse has a genotype bbTT
Crossing BBtt x bbTT
The genotype of the offspring is going to be BbTt, which means that the phenotype is black color and trotting gait horse.
"in horses, black color (b), dominates chestnut (b). the trotting gait (t) dominates-example-1
User Steve Moseley
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