Mendel crossed true-breeding tall and dwarf p | vedclass

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(B) In Mendel's monohybrid cross,the recessive trait (dwarfness) is masked in the $F_{1}$ generation because all offspring are heterozygous tall. The

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$F_{2}$

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(B) In Mendel's monohybrid cross,the recessive trait (dwarfness) is masked in the $F_{1}$ generation because all offspring are heterozygous tall. The recessive trait first reappears in the $F_{2}$ generation,where the phenotypic ratio is $3$ tall : $1$ dwarf. In the $F_{3}$ generation,the dwarf plants from the $F_{2}$ generation,when self-pollinated,continue to produce only dwarf plants (breeding true),while the tall plants from the $F_{2}$ generation show mixed results (some breed true as tall,others produce both tall and dwarf offspring). Therefore,the recessive character is expressed in both the $F_{2}$ and $F_{3}$ generations,but it is first observed in the $F_{2}$ generation. Given the options,the most accurate description of where the recessive character appears is the $F_{2}$ generation.

Mendel crossed true-breeding tall and dwarf plant varieties in his experiment. The tall character was dominant and the dwarf character was recessive. The recessive character appeared in:

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