What you need to know for Examination 2

1. The seven sexes of humans
2. chromosome sex including 45,X; 47,XXY; 47,XXX; 47,XYY
3. mosaicism [e.g., 45,X/46.XX]
4. chimerism [e.g., 46,XY/46/XX] and true hermaphroditism
5. sex reversals [role of SRY gene on testes formation]
6. formation of the gonads [testes or ovaries]
7. formation of the internal genitalia [fate of the wolffian ducts in males and females; fate of the mullerian ducts in males or females]
8. formation of the external genitalia [fate of the genital tubercle, folds, and swelling in males or females]
9. puberty: including the menstrual cycle
10. psychological sex
11. female pseudo hermaphroditism in the CAHS [congenital adrenal hyperplasia syndrome]
12. male pseudohermaphroditism in the CIAS [congenital insensitivity to androgen syndrome]
13. male pseudohermaphroditism in the CPMD [congenital persistence of the mullerian derivatives]
14. from zygote to birth: the major events

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