Question

What is the phenotypic ratio of a dihybrid cross?

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Solution

Dihybrid cross:A dihybrid cross refers to a cross between two folks who have observed and expected traits that are monitored by two different genes.A cross between two heterozygotes has a phenotypic ratio of $9:3:3:1$.$\frac{9}{16}$ of the persons have the dominant phenotype for both characteristics, $\frac{3}{16}$ have the dominant phenotype with one characteristic, $\frac{3}{16}$ have the dominant phenotype for the other characteristic, and $\frac{1}{16}$ are recessive for both characteristics.

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