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In one of his experiments with pea plants Mendel observed that when a pure tall pea plant is crossed with a pure dwarf pea plant, in the first generation, Fl only tall plants appear, (i) What happens to the traits of the dwarf plants in this case ? (ii) When the F 1 generation plants were self-fertilised, he observed that in the plants of second generation, F2 both tall plants and dwarf plants were present. Why it happened ? Explain briefly |
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Answer» (a) MENDEL DEMONSTRATED that traits can be EITHER dominant or recessive through his monohybrid cross. He crossed true-breeding TALL (TT) and dwarf (tt) pea plants. ... They appeared tall only because the tall trait was dominant over the dwarf trait. This shows that traits may be dominant or recessive. |
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