__________ Is/are the Most Common Hereditary Cause of Mental Retardation

question 69

Multiple Choice

__________ is/are the most common hereditary cause of mental retardation.

• A) Fragile X syndrome
• B) Phenylketonuria
• C) Tay-Sachs disease
• D) Lesch-Nyhan disease
• E) Down syndrome

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Definitions:

Hypothesis

A proposed explanation or assumption for a phenomenon, made on the basis of limited evidence as a starting point for further investigation.

Biography

A detailed description or account of someone's life, including facts and experiences written by another person.

Direct Quotation

The exact replication of someone's spoken or written words, enclosed in quotation marks to denote original authorship.

Explanatory Method

A research approach aimed at clarifying the causes and effects of phenomena or understanding the mechanisms behind observed patterns.