In Humans,skin Color Is Controlled by Several Genes

question 75

Multiple Choice

In humans,skin color is controlled by several genes.Thus,skin color is a(n) ____ characteristic.

• A)dominant
• B)co-dominant
• C)epistatic
• D)pleiotropic
• E)recessive

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Definitions:

Conditioning Stimulus

A previously neutral stimulus that, after association with an unconditioned stimulus, comes to trigger a conditioned response.

Learning Stimulus

Any stimulus that influences or changes learning behavior; often involved in associative learning processes where it becomes linked with a specific response or behavior.

Discriminative Operant

A discriminative operant is a behavior influenced by the presence of a specific stimulus, indicating that reinforcement or punishment is available, thus guiding the organism's responses.