If 2 Spot (S) Is Dominant to 4 Spot (S)

question 70

Essay

If 2 spot (S) is dominant to 4 spot (s), give the genotypes for the parents in the following crosses:
(a)
2 spot * 2 spot yields 2 spot and 4 spot
(b)
2 spot * 4 spot yields only 2 spot
(c)
2 spot * 4 spot yields 2 spot and 4 spot
(d)
2 spot * 2 spot yields only 2 spot
(e)
4 spot *4 spot yields only 4 spot

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