From: A complete duplication of X chromosome resulting in a tricentric isochromosome originated by centromere repositioning
FISH probe
Chromosome region
Signals
DXZ1
Xp11.1-q11.1
+++
b217H1
Xq13.2–21.1
++
b167P23
Xp11.22
++ (Xp inversion)
DXYS129
Xp22.3
Common telomeres (TTAGGG)
Xptel, Xqtel
++++