A Trait with Incomplete Penetrance Is One That

question 17

Multiple Choice

A trait with incomplete penetrance is one that:

• A)is only expressed in homozygous recessive individuals.
• B)is only expressed in homozygous dominant individuals.
• C)is only expressed in some of the individuals that have the genotype for that trait.
• D)is expressed in only some offspring of affected individuals.
• E)can be expressed differently in different individuals that have the genotype for that trait.

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Definitions:

Positive Punishment

A behavior modification technique that involves the addition of an unpleasant stimulus to decrease the likelihood of a behavior reoccurring.

Negative Reinforcement

A process in behavior modification by which the likelihood of a behavioral response increases by the removal of an unpleasant stimulus.

Positive Reinforcement

A process in psychology which increases the likelihood of a behavior by following it with a desirable outcome or reward.

Flooding

A therapeutic technique used in psychology to treat phobias and anxiety disorders by exposing the patient to their fear object in a controlled environment.