Ncert Exercises & Solutions

Q. 6. In order to obtain the $F_{1}$ -generation, Mendel pollinated a pure-breeding tall plant with a pure-breeding dwarf plant. But for getting the $F_{2}$ -generation,, he simply self-pollinated the tall $F_{1}$ plants. Why?

Characters segregate during gamete formation. Pure breeding parents give rise to

F_{1}

with heterozygous conditions. Only self-pollination of heterozygotes can result in all possible recombinations of characters in progeny as mating is random.

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