Practice Quiz

EPPP Psychology

Category - Growth and Lifespan Development

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Certain chromosomal abnormalities cause disorders that significantly impact physical and cognitive capabilities. Which of the following disorders is indicated by rapid speech, abnormal facial structure, and working memory impairment in males?
  1. Klinefelter’s syndrome
  2. Fragile X syndrome
  3. Down’s syndrome
  4. Asperger syndrome
Explanation
Answer: B - Fragile X syndrome is characterized by a number of physical abnormalities: rapid speech, social anxiety, and, in males, memory impairment. Fragile X is caused by a mutation of one gene on the X chromosome and is more common in males than in females.
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