Identical Twins Are

question 143

Multiple Choice

Identical twins are:

• A)identical in genotype.
• B)identical in phenotype.
• C)always of the same sex.
• D)always concordant.

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Definitions:

Stereotaxic Instrument

A precise tool used in neuroscience and surgery for positioning electrodes or other devices within the brain of an animal or human.

Implantation of Electrodes

The surgical insertion of electrodes into specific areas of the body or brain for the purpose of recording or stimulating electrical activity.

Tachistoscope

An apparatus used in psychological and vision research to present visual stimuli for very brief periods of time, often to study perception, memory, or reading.

Electroencephalograph

A device that measures and records the electrical activity of the brain, commonly known as an EEG.