In Treacher collin's syndrome there is________________?

Correct answer: B. Poorly developed or absence of malar bones

A. Upward sloping of the palpebral fissure
B. Poorly developed or absence of malar bones
C. Progenia and mandibular prognathism
D. No loss of hearing

Explanation

Treacher Collins syndrome results from first and second branchial arch abnormalities, producing marked hypoplasia or absence of the malar bones. Hearing loss is common, and the palpebral fissures usually slope downward rather than upward.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 18 September 2026

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In Treacher collin's syndrome there is________________?

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