Which of the following is not a mutation operator in a genetic algorithm?

A. Random resetting

B. Scramble

C. Inversion

D. Difference

Choose the correct answer from the options given below:

This question was previously asked in
UGC NET Computer Science (Paper 2) 17 June 2023 Official Paper
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  1. A and B only
  2. B and D only
  3. C and D only
  4. D only

Answer (Detailed Solution Below)

Option 4 : D only
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
50 Qs. 100 Marks 60 Mins

Detailed Solution

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The correct answer is D only

Key PointsMutation operators in a Genetic Algorithm are used for perturbing the genes in a solution. They help in keeping the diversity of the population and avoiding premature convergence on local optima. Here's a brief explanation of the operators mentioned:

  • A. Random Resetting: This is a type of mutation operator where a specific gene in a chromosome is randomly chosen and assigned a new value from the feasible parameter range.
  • B. Scramble: This operator randomly selects two points in the chromosome and then shuffles the genes between those points.
  • C. Inversion: Inversion mutation operators select a substring (i.e., a portion of the chromosome) and revert the order of genes within that.
  • D. Difference: This is not a known mutation operator in the context of genetic algorithms.

Therefore, the answer is 4) D only.

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