GRE陈虎平阅读36套-01-智课网.pdf

智课网GRE 备考资料 Exercise 1 Questions 1 to 3 are based on the following reading passage. Immediately relevant to game theory are the sex 1. The author suggests that the work of Fisher and ratios in certain parasitic wasp species that have a Hamilton was similar in that both scientists large excess of females. In these species, fertilized eggs (A) conducted their research at approximately Line develop into females and unfertilized eggs into males. the same time 5 A female stores sperm and can determine the sex of (B) sought to manipulate the sex ratios of some each egg she lays by fertilizing it or leaving it of the animals they studied unfertilized. By Fisher ‘s genetic argument that the sex (C) sought an explanation of why certain sex ratio will be favored which maximizes the number of ratios exist and remain stable descendants an individual will have and hence the (D) studied game theory, thereby providing important 10 number of gene copies transmitted, it should pay a groundwork for the later development of strategy female to produce equal numbers of sons and daughters. theory Hamilton, noting that the eggs develop within their (E) studied reproduction in the same animal species host—the larva of another insect—and that the newly emerged adult wasps mate immediately and disperse, For the following question, consider each of the 15 offered a remarkably cogent analysis. Since only one choices separately and select all that apply female usually lays eggs in a given larva, it would pay her to produce one male only, because this one male