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when a pure strain of tall plants (TT) w...

when a pure strain of tall plants (TT) within round seeds (RR) is crossed with a pure strain of short plants (tt) with wrinkled seeds (rr) , an F, generation is produced . The aelles for short and wrinkled are recessive to thiose for tall and round , respectively. When these F1 plants self pollinate ,what proportion of the F2 generation is short with wrinkled seeds?

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