$A$: Meiosis is an important process for evolution. $R$: Crossing over induces genetic variation in a species.

  • A
    $A$ and $R$ are both true and $R$ is the correct explanation of $A$.
  • B
    $A$ and $R$ are both true,but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true and $R$ is false.
  • D
    $A$ is false and $R$ is true.

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Similar Questions

Which of the following is a significance of meiosis?

Which of the following statements are correct regarding the importance of meiosis?
$(i)$ It increases the genetic variability in the population of organisms from one generation to the next.
$(ii)$ It decreases genetic variability.
$(iii)$ It occurs in all cells of our body.
$(iv)$ It is an important process for evolution.

During reproduction,the chromosome number $(2n)$ reduces to half $(n)$ in the gametes,and the original number $(2n)$ is restored in the offspring. What are the processes through which these events take place?

The paradox of meiosis is

State the significance of meiosis.

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