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vaanya02's picture

please help me out in solving these type of questions..
Mendel crossed tall pea plants with dwarf ones.F1 plants were all tall.when these F1 plants were selfed to produce F2 generation,he got 3:1 tall to dwarf ratio in offspring.what is the probability that out of three plants (of F2 generation)picked up at random two would be dwarf and one would be tall?