Uncategorized

Mendel and the re-discoverers of genetics Correns, de Vries and Tschermak identified discrete traits whose patterns of inheritance followed interpretable rules. But most traits found in animals and plants were continuous, not discrete, and tended to mix in offspring – when you cross a Labrador and a poodle (two breeds […]

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 […]