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AP Psychology / Unit 1: Biological Bases of Behavior

1.1 Interaction of Heredity and Environment

3 practice questions

Notes

Behavior comes from nature (genes) and nurture (environment) working together.

  • Twin studies and adoption studies separate genetic and environmental effects.
  • Heritability is the proportion of variation in a trait in a group explained by genes (not in one person).
  • Epigenetics: environment can change how genes are expressed.

Practice

Identical twins raised apart are similar on a trait. This suggests:
Heritability describes:
Epigenetics studies:

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