In the rye variety Tulunskaya Zelenozernaya in the analyzed population, along with green-grain plants, yellow-grain plants

In the rye variety Tulunskaya Zelenozernaya in the analyzed population, along with green-grain plants, yellow-grain plants are contained. It is known that the yellow color of the weevil is dominant over the green one. During the approbation, it was found that in this panmictic population 81% of plants are green-grained, the rest are yellow-grained. What is the frequency of dominant homozygotes in the population?

The frequency of occurrence of dominant homozygotes is 0.01.

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