Considerably More Phenotypic Variation Exists in Domesticated Varieties of Species

question 44

Multiple Choice

Considerably more phenotypic variation exists in domesticated varieties of species like dogs and cabbages than exists in non-domesticated species like lions and maple trees.Which one of the following statements best explains why this is true?

• A)There is no selection and mating is random under domestication.
• B)During domestication,very high rates of mutation are induced.
• C)Genetic drift is important because domestication involves small populations.
• D)Many domesticated varieties would not survive in the natural worlD.
• E)Domesticated species exhibit "hybrid vigor" (heterosis).

---

Definitions:

Kelly's Personal Construct Theory

A theory by George Kelly suggesting that individuals use personal constructs, which are mental models, to interpret and predict the world.

Superordinate Constructs

High-level, abstract concepts or categories that help organize more specific or subordinate information in cognitive psychology and social sciences.

Permeable

Could relate to various contexts, but generally means allowing liquids or gases to pass through it. In psychology, it can relate to boundaries or filters through which external influences can affect an individual's state.

Radical Behaviorism

A perspective within psychology, founded by B.F. Skinner, which argues that behavior can be understood through observable actions and the environments that influence them, disregarding internal thoughts and feelings as explanatory factors.