Question
Wed January 11, 2012 By:

pure bred pea plant A is crossed with pure bred pea plant B.It is found that the plants which look like A do not appear in f1 generation,but reemerge in f2 generation which of the two plants are 1.tall,2. dwarf? give reasons

Expert Reply
Thu January 12, 2012
Since the F1 generation does not show offspring resembling plant A, it means that plant A is the dwarf plant (recessive character) whereas plant B is the tall plant (dominant character). The dwarf plants will reappear in the F2 generation in the ratio of 3tall:1dwarf.
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