Question

A cross between true breeding tall red flowered plants and true breeding short white flowered plants. Tall and red are dominant traits. What would be the expected ratios of phenotypes in the f1 and f2 generations? what is the exoected ohenityouc ratui if F2 ganeration if red and white are codominant?

Work out the punnett squares, compute the ratios. We can critique your work.

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I don't know how though

See your text on punnett squares, or

http://www.athro.com/evo/gen/punexam.html