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Gray seed color in peas is dominant to white. Assume that Mendel conducted a series of experiments where plants with gray seeds were crossed among themselves, and the following progeny were produced: 302 gray and 98 white. What is the most probable genotype of each parent?

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Answer:

Genotype of each parent would be "Gg"

Explanation:

Let "G" represents gary seed color peas while "g" represents white seed color peas.

also "G" is dominant over "g"

The ratio of gray vs white offspring is

302:98

If this simplifies , it becomes

3:1

Thus, there are 3 times gray peas as compared to the white one.

Now as per Mendel's rule,

the genotype of 3 three gray peas  would be GG, Gg and Gg

So the genotype of parent would be

Gg x Gg

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