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In horses, black coat (b) is dominant over brown coat (b), and trotter (t) is dominant over the recessive allele pacer (t). Fill in the missing genotypes in the punnett square of the offspring of this dihybrid cross in horses.

Answer :

Punnett square is used to calculate the dihybrid cross between two different parents with two different phenotypes. Genotypes of one of them is a heterozygous dominant and the other is a heterozygous recessive. The visualization using a Punnett square below is for the second generation of the dihybrid cross.

Dihybrid Cross Example

Mendel was using peas and observe two traits of them, which is colors and shapes. Round-yellow peas are crossed with wrinkled-green peas. The result of the first generation was round-yellow peas. This means yellow and round are the dominant phenotypes.

In this case, trotter-black coat horses are a dominant phenotype with genotype BBTT.

Know more about Mendel’s hereditary law here: https://brainly.com/question/7580904

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