Down syndrome – all are seen except –
Correct Answer: t (11: 14)
Description: Ans. is 'b' i.e., t (11: 14) o In 95% of cases of Down syndrome-trisomy of 21:-Extra chromosome is of maternal in origin.1% have mosaic with some all have 46 chromosome, a 4% have robertsonian translocation.t (13 : 21)t (14 : 21)t (15 : 21)o Very rarely tong arm of chromosome 21 is triplicate (Partial trisomy).
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Pediatrics
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