10th Class Science Solved Paper - Science-2016 Delhi Set-II

  • question_answer ) How did Mendel interpret his result to show that traits may be dominant or recessive? Describe briefly.

    Answer:

    Mendel conducted breeding experiments on pea plants:
                He selected pure breed tall and dwarf plants. He cross pollinated these plants. In the \[{{F}_{1}}\] generation obtained only tall plants, tallness is the dominant trait. Then, he produced \[{{F}_{2}}\] generation by selfing of hybrids \[{{F}_{1}}\] generation. He found that 3/4th of the plants were tall and 1/4th were dwarf. The trait which remains hidden in \[{{F}_{1}}\] generation plants is the recessive trait.


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