Twin Studies Have Found That

question 186

Multiple Choice

Twin studies have found that:

• A)the similarity of identical twins is greater when they are reared apart than when they are reared together.
• B)the similarity of fraternal twins raised together is greater than the similarity of identical twins raised apart.
• C)the similarity of identical twins raised apart is greater than the similarity of fraternal twins raised together.
• D)the similarity of identical twins is essentially equal to that of fraternal twins.

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Definitions:

Color Vision

The ability of the eye and brain to perceive differences in wavelengths of light as distinct colors.

Visual Field

The entire area that can be seen when the eyes are focused on a central point, including peripheral vision.

L-DOPA

A precursor to dopamine used as a medication in the treatment of Parkinson's disease and dopamine-responsive dystonias.

Parkinson's Disease

A neurodegenerative disorder that affects movement, often characterized by tremors, stiffness, and slowness of movement.