If Genes Are Implicated in Any Given Physical Trait or Behavior

question 47

Multiple Choice

If genes are implicated in any given physical trait or behavior pattern,then you would expect

• A) DZ twins would be more similar on the trait than MZ twins.
• B) all people in a given family would express the trait similarly.
• C) cousins would be more similar on the trait than siblings.
• D) siblings would be more similar on the trait than cousins.

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Definitions:

Reuptake

The process by which neurotransmitters are taken back into the synaptic vesicles of the neuron after being released into the synaptic cleft.

Opiate Drugs

A classification of narcotics derived from the opium poppy plant, often used for pain relief but also associated with a high potential for addiction and abuse.

Endorphins

Naturally occurring peptides in the brain that act as neurotransmitters and have pain-relieving properties similar to morphine.

Agitation

A state of anxiety or nervous excitement, often manifesting as restless or tumultuous behavior.