Multiple Choice
The three chromosomal abnormalities that cause Down's syndrome are:
A) trisomy 21 ; translocation ; mosaicism
B) trisomy 23 ; translocation ; mosaicism
C) trisomy 21 ; translocation ; Fragile X
D) trisomy 23 ; translocation ; Fragile X
E) trisomy 23 ; mosaicism ; Fragile X
Correct Answer:

Verified
Correct Answer:
Verified
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