1. The fact that some phobias are more common than others (such as fear of heights and snakes) and may have contributed to the survival of the species in the past suggests that phobias may be genetically prewired. This is evidence for which influence?
2. Jan’s husband, Jinx, was an unemployed jerk who spent his life chasing women other than his wife. Jan, happily divorced for years, cannot understand why the smell of Jinx’s brand of aftershave causes her to become nauseated. Which influence best explains her response?
3. Nathan, age 16, finds it more difficult than his 7-year-old sister to adjust to his parents’ recent separation. This may be explained by what influences?
4. A traumatic ride on a Ferris wheel at a young age was most likely to have been the initial cause of Juanita’s fear of heights. Her strong emotional reaction to heights is likely to maintain or even increase her fear. The initial development of the phobia is likely a result of _________ influences; however, ___________ influences are likely perpetuating the phobia.
True or False. The first 20 pairs of chromosomes program the development of the body and brain
True or False. No individual genes have been identified that cause any major psychological disorders