$^{\prime} XX ^{\prime}$ is a type of selection process in evolution $^{\prime} XX ^{\prime}$ promotes the population changes in one particular direction $^{\prime} XX ^{\prime}$ favours small or large sized individuals, mean size of population changes in $^{\prime} XX ^{\prime}$. Identify $^{\prime} XX^{\prime}$

  • A

    Stabilizing selection

  • B

    Directional selection

  • C

    Disruptive selection

  • D

    None of these

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''Migration may enhance or blurr the effects of selection''. Comment.

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