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klemol [59]
4 years ago
7

In pea plants, yellow seed color (Y) is dominant and green seed color (y) is recessive. Based on the Punnett squares, what are t

he chances that the offspring in the second generation will have green seeds?

Biology
2 answers:
mars1129 [50]4 years ago
7 0

Answer: 25% chance

Explanation: add and divide

Natalija [7]4 years ago
3 0
In determining probabilities all you need to do is count and then divide by the number of results. 

It is asking the chances of having green seeds and that's the recessive allele. For recessive traits to be expressed, there can't be a dominant trait next to it because the dominant trait will always be expressed. So the expected result should be yy (two lowercase) if you want the recessive trait to be expressed. 

In the Punnett square of the second generation, there is 1 out of 4 yy genotype. So then divide 1 by 4 and multiply it by 100% to get the probability in percent. 

So in short, the answer is 25%.
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