Genetic homework help?

Posted on 2016-03-15 18:22:00 in Biology by GREG

I have idea how to do either of these problems 

A. In the following cross with peas: A = Tall plants; a = dwarf plants: B = smooth seeds; b = wrinkled seeds. Assuming complete dominance, what will be the resulting genotypes and phenotypes and genotypic and phenotypic ratios of the F1 generation if a dihybrid cross is made between a homoyzygous dominant (for both traits) plant and a homozygous recessive (for both traits) plants 

B. Using the cross from above (4A), if the offspring from the F1 generation are allowed to mate, what will the phenotypes and phenotypic ratio be for the F2 generation

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