Microcephaly, the small sized skull is due to:
Correct answer: D. Genetic defects
- A. Nutritional causes
- B. Skeletal causes
- C. Hormonal causes
- D. Genetic defects
Explanation
Microcephaly is a condition where the head (circumference) is smaller than normal. Microcephaly may be caused by genetic abnormalities. Genetic mutations in various genes can disrupt brain development and cause microcephaly. Some well-known genetic syndromes associated with microcephaly include Down syndrome, Apert syndrome, and Seckel syndrome.
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