What about the biological basis for sexual orientation?

Consider what it means to have a biological determination of sex (X and Y chromosomes; the presence or absence of testosterone) and how that differs from gender identity. Is the human brain masculinized or feminized before birth? What about the biological basis for sexual orientation? Lastly, you will reflect on gender-related cognitive and behavioral differences including stereotypes that males are more aggressive than females and males have better visual-spatial abilities and mathematical ability.