Question

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

Answer

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