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A heterozygous round pea plant is crossed with a homozygous round pea plant.what percentage of the offspring will be be homozygous?

2 Answers

4 votes

Answer: 50%

Explanation: Homozygous: YY or yy

Heterozygous: Yy

YY, YY

yY, yY

Yy, Yy

yy, yy

As you can see, in both cases it would be 50/50 chances of being either heterozygous or homozygous.

User Yibin Lin
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5 votes

Answer:

50%

Step-by-step explanation:

There are only 2 possibilities 2 dominant genes (homozygous) or 1 dominant gene and 1 recessive gene (heterozygous) it's a 2/4 chance for each making it 50/50.

User SPBeginer
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4.7k points