The Mutated Form of the Monoamine Oxidase Type a (MAOA)gene

question 44

Multiple Choice

The mutated form of the monoamine oxidase type A (MAOA) gene has been linked to aggressive and violent behavior due to

• A) overproduction of certain neurotransmitters.
• B) a lack of serotonin receptors.
• C) the inability to break down serotonin.
• D) the production of abnormal neurotransmitters.
• E) underproduction of certain neurotransmitters.

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Definitions:

Neurotransmitters

Neurotransmitters are chemical messengers that transmit signals across a chemical synapse, from one neuron to another target neuron, muscle cell, or gland cell, facilitating communication within the brain and body.

Synaptic Activity

The process by which neurons communicate with each other through the release and reception of neurotransmitters across synapses.

Electroencephalogram (EEG)

A recording of neural activity detected by electrodes.

Electrodes

Conductive materials that are used to make electrical contact with a nonmetallic part of a circuit, such as the human body.