| 11. | Down syndrome is caused by having an extra copy of chromosome 21.
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| 12. | He stated at the time to investigators that Marina had Down syndrome.
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| 13. | With Down syndrome, you can have cardiac defects and various other things.
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| 14. | RET can mutate in many ways and is associated with Down syndrome.
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| 15. | Down syndrome patients are afflicted by a genetic disorder that is incurable.
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| 16. | So no surge of Down syndrome patients needing heart-lung transplant is expected.
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| 17. | But here, they get to live and have pups _ Down syndrome pups.
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| 18. | When Down syndrome is found, the woman may opt to end the pregnancy.
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| 19. | And so it began _ life with a little boy with Down syndrome.
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| 20. | About 47 percent of Down syndrome births are to women 35 and older.
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