The Fact That a Significant Number of Monozygotic Twins Share

question 13

Multiple Choice

The fact that a significant number of monozygotic twins share the same placenta, while no dizygotic twins do, suggests that ________

• A) we may have overestimated the influence of genetics in schizophrenia.
• B) being a monozygotic twin is a risk factor for schizophrenia.
• C) genetic influences are even more important than previously thought.
• D) monozygotic twins have a form of genetic schizophrenia while dizygotic twins have an environmentally caused form.

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Definitions:

Altitude

The height or elevation of a place above sea level, often affecting climate, oxygen availability, and physical exertion requirements.

Sensory Receptors

Specialized cells or nerve endings that respond to changes in the environment by converting energy from a specific stimulus into an electrical signal.

Auditory Tube

Also known as the Eustachian tube, it connects the middle ear to the nasopharynx and helps equalize pressure on both sides of the eardrum.

External Ear

Portion of the ear that includes the auricle and external acoustic meatus; terminates at the eardrum.