What is the genetic abnormality related to Cri-du-chat-syndrome?

[Joyce]

#july2020usmle2ck

What is the genetic abnormality related to Cri-du-chat-syndrome?

A- Deletion of phenylalanine in position 508
B- Deletion of short arm of chromosome 5
C- Mutations of the fibrillin gene on chromosome 15
D- Trisomy 18

 

[Tiffany Wong]

D- Trisomy 18