Tokyo Medical University
Department of Paediatircs
Genetics Study Group
Hironao NUMABE, M.D.


Japanese Page is Here.

Animations of Chromosomal Structural Abnormalities:

Following animations are generalized and are not reliable.
Especially, the process of duplication is different from the certain process, I believe.

terminal deletion of short arm

terminal deletion of long arm

deletion of long arm

ring chromosome



reciprocal translocation

Robertsonian translocation

paracentric inversion of short arm

paracentric inversion of long arm

pericentric inversion


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