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9.2 Crossover Operators Categorization

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Questions and Answers

What are the three main categories of crossover operators based on the arity?

Binary, floating-point, and integer

Asexual, sexual, and multi-recombination (correct)

Elitist, tournament, and roulette wheel

Single-point, two-point, and uniform

How are parents selected for crossover operations?

Depends on the crossover probability (correct)

Using elitist selection

Randomly

Based on fitness values

What is a key issue that the parent selection process should prevent?

Using the same individual as both parents (correct)

Ignoring offspring diversity

Biased offspring selection

Unequal offspring production

Which representation schemes have specialized crossover operators according to the text?

Binary and floating-point Signup and view all the answers

What problem arises when the same individual takes part in multiple applications of the crossover operator?

Fitness-proportional selection schemes are affected Signup and view all the answers

In the case of two offspring, which strategy can be used for offspring replacement?

Replacing the worst parent Signup and view all the answers

What is the key difference between one-point crossover and two-point crossover?

One-point crossover swaps segments of genes, two-point crossover swaps individual bits Signup and view all the answers

Which crossover operator allows each bit to have an equal chance of being swapped?

Uniform crossover Signup and view all the answers

What does Algorithm 9.1 specify in the context of bitstring crossover?

Generation of binary masks for bit swapping Signup and view all the answers

What is the purpose of the mask in the recombination process described in the text?

To specify which bits of parents should be swapped Signup and view all the answers