What causes Patau syndrome?

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Tags

1. #called
2. #patau
3. #small
4. #copies
5. #syndrome
6. #result
7. #causes
8. #chromosome
9. #mosaic
10. #usual
11. #occur
12. #instead
13. #cells
14. #percentage
15. #three
16. #cases
17. #meaning
18. #extra
19. #trisomy