All of the following are true about Down syndrome except for one.
AIncidence of Robertsonian translocation is 1:1000
BMost common cause is trisomy 21
CMosaicism 21 has no association with maternal age
DExtra chromosome is of maternal origin
EIncidence increases with advanced maternal age
Disputed maternity can be solved by using the following tests, EXCEPT:
ABlood grouping
BHLA typing
CDNA fingerprinting
DPrecipitin test
Which of the following markers is not used in quadruple test for antenatal detection of Down syndrome?
AInhibin
BEstradiol
CAFP
Dss-hCG
+ 7 more in the PDF
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