In what part of the world are students required to determine their course of study before they arrive and only study that subject while at the university?

Male to female tend to go better than female to male.

a. true b. false

According to the text, which of these statements is false?

(a) Being choosy about who you mate with should increase fitness if you're male. (b) For a man, there is no guarantee that his sexual partner's offspring carry his genes. (c) The claim that some characteristic or behavior has a genetic basis does not mean that that characteristic or behavior is totally unaffected by environmental factors. (d) Over time, those females who carried genes that predisposed them toward being more jealous of emotional infidelity than sexual infidelity passed along more of their genes to subsequent generations.