Consider a Simple Mendelian Trait That Is Due to a Single

question 63

Multiple Choice

Consider a simple Mendelian trait that is due to a single gene with alleles A and a. In one environment, allele A is dominant, whereas in a different environment allele a is dominant. This is an example of:

• A)a complex trait.
• B)epistasis.
• C)genotype-by-environment interaction.
• D)genotype-by-environment discordance.

Comprehend the elaboration likelihood model and its application in understanding how attitudes can change.

Distinguish between cognitive dissonance and postdecisional dissonance and their effects on attitude change.

Understand the role of attitude accessibility in shaping and changing attitudes.

Consider the implications of social psychology research on real-world issues, such as electoral decisions and personal preferences.

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Definitions:

Random Mating

A mating system where all individuals within a population have an equal chance of mating with each other, leading to genetic diversity.

Artificial Selection

The process by which humans breed plants or animals for particular genetic characteristics.

Directional Selection

Mode of natural selection in which forms of a trait at one end of a range of variation are adaptive.

Disruptive Selection

Mode of natural selection in which forms of a trait at both ends of a range of variation are adaptive, and intermediate forms are selected against.