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GATE 2023 XH5 (Psychology) – Question 39

Biological and Evolutionary Basis of Behaviour · Heredity, Evolution and Genetics: Natural selection, chromosomal anomalies, nature-nurture controversy (twin and adoption studies) · 1 mark · Multiple select

Which of the following is/are included under behavioural genetics studies in humans?

  1. Selective breeding studies
  2. Family studies
  3. Twin studies
  4. Adoption studies

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Show answer and explanation

Correct answer: (B) Family studies; (C) Twin studies; (D) Adoption studies

Explanation

Behaviour genetics in humans uses family, twin and adoption studies. Selective breeding is used with animals, not people.