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The Punnett square represents the dihybrid cross between two pea plants. Here R represents the dominant allele for round shape of the seed and r represents the recessive allele for wrinkled shape of the seed. Y represents the dominant allele for yellow seed color and y represents the recessive allele for green seed color. Both the plants have the heterozygous genotype RrYy. What is the expected phenotypic ratio of dihybrid crosses?

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JcAlmighty

The answer is 9:3:3:1.

The expected phenotypic ratio of dihybrid crosses is 9:3:3:1. This means that in the cross of two plants with the heterozygous genotype RrYy there will be:
9 plants with round shape of seed and yellow seed color
3 plants with round shape of seed and green seed color
3 plants with wrinkled shape of seed and yellow seed color
1 plant with wrinkled shape of seed and green seed color

Answer:

9 . 3. 3. 1

Explanation:

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