Comparisons of Traits in Identical and Fraternal Twins Are Useful

question 16

Multiple Choice

Comparisons of traits in identical and fraternal twins are useful because they:

• A)allow estimates of the number of genes affecting a complex trait.
• B)reveal the extent of genotype-by-environment interaction in causing phenotypic variation.
• C)reveal the relative importance of genes and environment in causing phenotypic variation.
• D)None of the answer options is correct.

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Definitions:

Cognitive Processes

Cognitive processes encompass the mental actions involved in acquiring, processing, and storing knowledge, including perception, memory, thought, and problem-solving.

Primary Reinforcers

Innate reinforcing stimuli that satisfy biological needs, such as food, water, and warmth, which are effective in shaping behavior.

Work Habits

The practices and attitudes an individual adopts that influence how effectively they perform and engage in their work tasks.

Negative Punishment

A method in behavior modification that involves the removal of a desirable stimulus following unwanted behavior to decrease the likelihood of that behavior occurring again.