Evolution is a stochastic process based on $:-$

  • A
    Chance events in nature
  • B
    Chance mutation in organisms
  • C
    Both $1$ and $2$
  • D
    Evolution is not a stochastic process

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Hybrid breakdown refers to the condition where the $F_2$ generation or subsequent generations of a hybrid cross are physiologically inferior or less viable compared to the $F_1$ generation.

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