Genetics and Behaviour Key Words Crossword

123456789
Across
  1. 4. (noun) Risk of oversimplifying behaviour by attributing it only to genes.
  2. 5. (adjective) Fraternal twins, share ~50% of genes.
  3. 6. (noun) Pathways → linked to mood, aggression, anxiety, sleep; disruptions → emotional disorders.
  4. 7. (noun) -Rate: similarity of a trait between twins; higher in identical twins = stronger genetic link.
  5. 8. (noun) Environment can switch genes on/off without changing DNA sequence.
  6. 9. (noun) Considers both genetic and environmental influences together.
Down
  1. 1. (adjective) Identical twins, share ~100% of genes.
  2. 2. (two nouns, hyphenated) Interaction → genes don’t act alone; environment (stress, upbringing) interacts with genetic predispositions.
  3. 3. (name) -& Pillard (1990) → twin study on sexual orientation; higher concordance in MZ twins than DZ/adopted brothers.
  4. 7. (name) -et al. (2003) → gene-environment interaction: 5-HTT + stressful life events → higher depression likelihood.