In a species, the weight of newborn ranges from $2$ to $5\; \mathrm{kg} .97 \%$ of the newbom with an average weight between $3$ to $3.3\; \mathrm{kg}$ survive whereas $99 \%$ of the infants born with weights from $2$ to $2.5\; \mathrm{kg}$ or $4.5$ to $5 \;kg$ die. Which type of selection process is taking place?

  • [NEET 2019]
  • A

    Directional Selection

  • B

    Stabilizing Selection

  • C

    Disruptive Selection

  • D

    Cyclical Selection

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Which is basis of evolution

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

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  • [NEET 2016]

Hardy-Weinberg equilibrium is not affected by which of the following factors?

If mating is random, population is large and mutation does not occur; then gene frequencies of population from generation to generation remain constant. This was put forwarded by