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Pathology · single question

Which is NOT characteristic of ectodermal dysplasia?

  1. Dry skin
  2. Brittle hair
  3. More common in males than females
  4. Y-linked
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Correct answer: D. Y-linked

  • A. INCORRECT. Dry skin from reduced sweat glands is typical.
  • B. INCORRECT. Sparse, brittle hair is typical.
  • C. INCORRECT. The X-linked form affects males more severely and more often.
  • D. CORRECT. The condition is most often X-linked recessive, not Y-linked.

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