A set of Mendelian crosses involving two traits is performed. The first cross is between a plant with green and wrinkled seeds and a plant with yellow and smooth seeds. The F1 all have yellow and smooth seeds. The 160 F2 have 5 plants with green and wrinkled seeds, 33 […]

Millions of people around the world suffer from deficiencies in amount and nutritional composition of food. Surprisingly, dietary disorders of persons in affluent countries result from “too much of good things” (or “good tasting things”). What are the consequences of the American diet? Do you think obesity is a serious […]

Q1: When considering how much variation in behavior is genetic and how much is environmental, how does the ” uterine environment” in which a fetus matures complicate matters? Q2: Examine an animal that you can spend some time observing for at least 10 minutes. Prepare a brief ethogram (five behaviors […]

1. Keeping in mind that lying is stressful, what externally detectable signs might a lie detector identify, assuming it reliability? 2. What would be the effect on the circulatory system if a person received a massive dose of sympathetic nervous system blocker? 3. Why would thermoregulation  be more difficult in […]