Chromosomes & hormones A01
-genes & chromosomes, sex chromosomes which determine the biological sex of a person (Males XY Female XX).
-Importance of the Y chromosome: causes activation of androgens (male hormones) testosterone -> physical and pot. psychological differences.
-evidence for sex chromosomes causing gender differences:
1. Case studies (David Reimer)
2. Research on T (hormones could create diff. temperaments)
3. Transgender studies (Van Goozen 1995)
4. Other hormones (oxytocin)
5. Barn Cohen's E-S Theory
-atypical chromosome patterns: Klinefelter's & Turner's