The Concordance Rate of Schizophrenia in Monozygotic Twins Is

question 127

Multiple Choice

The concordance rate of schizophrenia in monozygotic twins is

• A) the same as that in dizygotic twins.
• B) the same as that in any two siblings.
• C) slightly more than that in husbands and wives.
• D) slightly more than that in pairs of unrelated individuals.
• E) about 45%.

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Definitions:

Promotor

A region of DNA that initiates transcription of a particular gene, providing a binding site for RNA polymerase and other transcription factors.

mRNA Synthesis

The process of synthesizing messenger RNA (mRNA) from a DNA template during gene expression, allowing for protein production.

Structural Gene

A gene that codes for any RNA or protein product other than a regulatory factor.

Transcription Factors

Proteins that bind to specific DNA sequences, thereby controlling the transfer (transcription) of genetic information from DNA to messenger RNA.