Monozygotic Twins Allow for Unique Genetic Studies Because They

question 31

Multiple Choice

Monozygotic twins allow for unique genetic studies because they

• A) have identical genes.
• B) always share the same environment.
• C) share approximately 50% of the same genes.
• D) are usually raised in similar ways.

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Definitions:

Auditory Convergence

A phenomenon in which sounds from different sources merge into a single perceived auditory event.

Refractory Threshold

The level of stimulus intensity or the period following a nerve impulse during which a nerve or muscle is unresponsive to further stimulation.

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the high density of cones (color-receiving cells).

Retina

The light-sensitive layer of tissue at the back of the eye, responsible for converting light into neural signals for vision.