Exam 10: Reproductive Behaviors

 What causes the primitive gonads to develop into masculine structures?

 Gender identity can be defined as ____.

 When examining the data on sexual orientation of twins and other siblings, what seems to be the most reasonable conclusion?

 Men are more likely to choose a partner based on age whereas women choose a partner based on size.

 A more recent study on differences in the INAH3 suggests that compared to heterosexual men, homosexual men have ____.

 If Wilber was going to choose his female mate strictly by evolutionary findings, he would use ____ as the most important criteria.

 Professor Mayes studies prairie voles. He has found that male voles with elevated levels of ____ will establish pair-bonds with their mate and help raise their young.

 What would cause a genetic female to develop a partly masculinized anatomy?

 The hormones LH, FSH, and estradiol reach a peak ____.

 At what point in the menstrual cycle, if any, are women who are not on birth-control pills most likely to initiate sexual activity?

 Which of the following best illustrates the organizing effects of sex hormones?

 In general, men are more jealous of sexual infidelity than women.

 "Male hormones" are referred to as ____.

 Drugs that reduce testosterone levels in males will most likely reduce their sexual behavior.

 In castrated male rats, the medial preoptic area ____.

 On average, the left and right hemispheres of the cerebral cortex are of nearly equal size in ____ females, whereas the right hemisphere is a few percent larger in ____ males.

 Who is more likely to be experiencing organizing effects of sex hormones?

 Nature's "default setting" is to make every mammal's external anatomy ____.

 The anterior commissure, on the average, is ____.

 In normal female rats, release of dopamine in the medial preoptic area activity is primed by ____.