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May 27, 2015

Homework Help: Biology

Posted by Jane on Wednesday, May 2, 2012 at 7:53am.

In pea plants the colour of the peas is genetically controlled. Each pea represents a separate fertilisation. Smooth texture (S) is dominant to wrinkly (s) and green (G) colour is dominant to yellow (g). Following a breeding experiment with pea plants, the following ratio of pea phenotypes was found. Smooth and green : Smooth and yellow : wrinkly and green : wrinkly and yellow = 86 : 28 : 32 : 9. What is the most likely genotype of the parental plants?

a. SsGG and ssgg
b. SsGg and SsGg
c. SSGg and SsGg
d. SsGg and Ssgg

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