Chapter Questions
What does the SRY gene do?
How do sex hormones affect neurons?
What would be the genital appearance of a mammal exposed to high levels of both androgens and estrogens during early development? What if it were exposed to low levels of both?
From the standpoint of protecting a male fetus's sexual development, what are some drugs that a pregnant woman should avoid?
How would the external genitals appear on a genetic female rat that lacked alphafetoprotein?
What evidence most directly links children's toy play to prenatal hormones?
By what mechanism does testosterone affect the hypothalamic areas responsible for sexual behavior?
Why do married men tend to have lower testosterone levels than single men of the same age?
At what time in a woman's menstrual cycle do her estradiol levels increase? When are they lowest?
When someone demonstrates an anatomical difference between male and female brains, on average, what if anything can we conclude about its role in behavior?
What factors are responsible for maternal behavior shortly after rats give birth? What factors become more important in later days?
What evolutionary advantage is suggested for why women are more interested in men's wealth and success than men are interested in women's wealth?
What is a common cause for a genetic female $(X X)$ to develop a partly masculinized anatomy?
If a genetic female is exposed to extra testosterone during prenatal development, what behavioral effect is likely?
What would cause a genetic male (XY) to develop a partly feminized external anatomy?
When children who had been reared as girls reached puberty and grew a penis and scrotum, what happened to their gender identity?
For which kind of twin pair is the concordance for sexual orientation greatest?
It seems difficult to explain how a gene could remain at a moderately high frequency in the population if most men with the gene do not reproduce. How would the hypothesis about epigenetics help with the explanation?
By what route might having an older brother increase the probability of male homosexuality?
How might stress to a pregnant rat alter the sexual orientation of her male offspring?
In LeVay's study, what evidence argues against the idea that INAH.3 volume depends on AIDS rather than sexual orientation?