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Question

In Mendel's experiments, ______ traits started to appear from F2 generation.
  1. recessive
  2. phenotypic
  3. dominant
  4. heterozygous


Solution

The correct option is A recessive
Mendel selected pure breed plants with dominant and recessive characters to conduct his experiments.
The F1 generation always had heterozygous genotype expressing dominant trait.
Self pollination of this F1 generation will give rise to F2 generation with homozygous dominant , homozygous recessive and heterozygous dominant genotypes.
Recessive traits can be only expressed in homozygous condition
Hence, recessive characters started to appear from F2 generation in Mendel's experiments.

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