If you cross two heterozygous Yy pea plants,what fraction of the offspring will be heterozygous?

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Quizplus · Accepted Answer

When two heterozygous Yy plants are crossed, their possible genotypes are YY, Yy, Yy, and yy. The offspring will inherit one allele from each parent, therefore, the chance of inheriting a "Y" allele from one parent and a "y" allele from the other parent is 50%. This means that 50% of the offspring will be heterozygous Yy.

If You Cross Two Heterozygous Yy Pea Plants,what Fraction of the Offspring