NEET Previous Year Question

Artificial selection to obtain cows yielding higher milk output represents :

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

  1. ADirectional as it pushes the mean of the character in one direction
  2. BDisruptive as it splits the population into two, one yielding higher output and the other lower output
  3. CStabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows
  4. DStabilizing selection as it stabilizes this character in the population

Correct answer: A

Solution

(a) Selecting cows that produce higher milk yield shifts the population toward one extreme trait (higher milk production). This is directional selection, where individuals with a desirable extreme characteristic are preferentially selected.

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