USMLE Forum - Largest USMLE Community

Karyotypic analysis of a spontaneously aborted fetus demonstrates trisomy of one of the
chromosomes. Which chromosome is most likely to be affected?
A. 8
B. 13
C. 16
D. 18
E. 21

E. 21

e? wats the trick here? simply because E is most common?

Trisomy: b,d, e. Maybe b ?

It is cccctrisomy 16 the most common chromosomal cause of miscarriages, as the condition is not compatible with life.

ru sure pcr?

yes pcr is right ...clearly written in kaplan .good

ok thx

yes its trisomy 16

good question, thanks.