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Summary of different chromosome databases
| Database | Copenhagen | Edinburgh | Philadelphia | OUHSC |
|---|---|---|---|---|
| Tissue of origin | Peripheral blood | Peripheral blood | Chorionic villus | Peripheral blood amniotic fluid |
| Number of chromosomes | 8106 | 5548 | 5847 | 6900 |
| Data quality | Good | Fair | Poor | Fair |
| Including severely bent or touching chromosomes | No | Yes | Yes | Yes |
