A) abilities B) achieve C) appeal D) complaints E) contributions F) displayed G) essentially H) eventually I) extent J) indicates K) proceeds L) psychological M) raised N) smart O) standard What determines the kind of person you are? What factors make you more or less bold, intelligent, or able to read a map? All of these are influenced by the interaction of your genes and the environment in which you were __ 1__ . The study of how genes and environment interact to influence __ _2__ _ activity is known as behavioral genetics. Behavioral genetics has made important __ _3__ _ to the biological revolution, providing information about the extent to which biology influences mind, brain and behavior. Any research that suggests that _ _4_ __ to perform certain behaviors are based in biology is controversial. Who wants to be told that there are limitations to what you can __ _5_ __ based on something that is beyond your control, such as your genes? It is easy to accept that genes control physical characteristics such as sex, race and eye color. But can genes also determine whether people will get divorced, how __ _6__ _ they are, or what career they are likely to choose? A concern of psychological scientists is the __ _7_ __ to which all of these characteristics are influenced by nature and nurture ( 养育 ), by genetic makeup and the environment. Increasingly, science __ _8_ __ that genes lay the groundwork for many human traits. From this perspective, people are born __ _9__ _ like undeveloped photographs: The image is already captured, but the way it __ _10_ __ appears can vary based on the development process. However, the basic picture is there from the beginning.