Question

121. Mendel crossed tall pea plants with dwarf ones. The F1
plants were all tall. When these F1 plants were selfed to
produce F2 generation, he got a 3: 1 tall to dwarf ratio in the
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?​

Answer 1

Explanation:

340 Genetic Problems and Answers

Mendel crossed tall pea plants (TT) with dwarf ones (tt). The F1 plants were all tall. When these F1 plants were selfed to produce the F2 generation, he got a 3:1 tall to dwarf ratio of offspring. Give the genotypes and phenotypes and relative proportions of the F3 generation produced when the F2 generation was selfed.

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