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Answer to Question #68840 in Genetics for Sundria

Question #68840
In horses, trotting is dominant to pacing and chestnut is dominant to white.

A What would be the phenotype of a trotter, pure white mare crossed pure pacer, pure chestnut stallion
b. cross two of the F1 and gibe phenotype only of the F2
c. Give the phenotype and genotype of a cross between TtCc x TTCc
Expert's answer
Answer:
Chestnut trotter.
A phenotypic ratio for F2 will be 9 chestnut trotters : 3 white trotters : 3 chestnut pacers : 1 white pacers.
Genotypes: TTCC, TTCc, TtCC, TtCc, TTCc, TTcc, TtCc, Ttcc
Phenotypic ratio: 3 chestnut trotters : 1 white trotter.

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