MCQ – 89088

Question

A 42-year-old woman gives birth to a neonate with multiple congenital abnormalities. Physical findings included a flat facial profile, slanted eyes, epicanthal folds, Brushfield spots, short nose, short neck, dysplastic ears, clinodactyly, a large protruding tongue, and a pronounced heart murmur. What is the most common cause of this developmental birth disease?

A. Chromosomal deletion

B.

Chromosomal translocation

C.

Expansion of trinucleotide repeat

D.

Nondisjunction

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