Consider a Gene with Four Alleles A₁, A₂, A₃, and A₄

question 151

Multiple Choice

Consider a gene with four alleles A₁, A₂, A₃, and A₄. How many distinct homozygous genotypes are possible?

• A)2
• B)3
• C)4
• D)5
• E)6

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Definitions:

Reinforcement

A concept in behaviorism that increases the likelihood of a behavior being repeated through positive or negative stimuli.

Learned Reflexive Response

A behavior that is developed over time through conditioning, in which a stimulus automatically elicits a response.

Conditioning

A method of altering behavior in which an individual learns to connect a new behavior with a stimulus that was previously not related to it.

Psychodynamic Perspective

Modern version of psychoanalysis that is more focused on the development of a sense of self and the discovery of motivations behind a person’s behavior other than sexual motivations.