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easyMCQNEET 20172026Biology
4 marks (−1)

Artificial selection to obtain cows yielding higher milk output represents:

  1. A
    Stabilizing selection as it stabilizes this character in the population
  2. B
    Directional as it pushes the mean of the character in one direction
  3. C
    Disruptive as it splits the population into two one yielding higher output and the other lower output
  4. D
    Stabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows

Solution & Step-by-step Explanation

[Image showing types of natural selection: stabilizing, directional, disruptive] Artificial selection for higher milk yield aims to shift the average yield of the population toward one extreme (the higher yield). This is an example of Directional selection.

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Artificial selection to obtain cows yielding higher milk output represents:
A
Stabilizing selection as it stabilizes this character in the population
B
Directional as it pushes the mean of the character in one direction
C
Disruptive as it splits the population into two one yielding higher output and the other lower output
D
Stabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows

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EvolutionNatural Selection

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