Down syndrome is directly linked to a genetic abnormality of chromosome?

USMLE 0 Comments

Down syndrome is directly linked to a genetic abnormality of chromosome?
A . XXII
B . XXI
C . XIIX
D . XV

Answer: B

Latest USMLE Dumps Valid Version with 622 Q&As

Latest And Valid Q&A | Instant Download | Once Fail, Full Refund

Instant Download USMLE PDF     USMLE Questions Online Training
Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments