Which Statement About Research on the Genetics of Schizophrenia Is

question 18

Multiple Choice

Which statement about research on the genetics of schizophrenia is accurate ?

• A) Too little genetic research has been done to come to any conclusions.
• B) Heredity appears to play almost no role in causing schizophrenia.
• C) Schizophrenia occurs only among identical and fraternal twins.
• D) Multiple genes interact, while single genes make only a minor contribution.

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Definitions:

Malleus

A small bone in the middle ear, also known as the hammer, which plays a critical role in transmitting sound vibrations to the inner ear.

Incus

A small anvil-shaped bone in the middle ear that transmits sound vibrations from the malleus to the stapes.

Stapes

A small bone in the middle ear that plays a key role in the process of hearing by transmitting sound vibrations to the inner ear.

Basilar Membrane

A key structure in the cochlea of the inner ear that plays a crucial role in the mechanical process that converts sound waves into nerve impulses.