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A 19-year-old female asked:

Can a missing chromosome come back how likely is it?. can it come back on it's own?.

2 doctor answers4 doctors weighed in
Dr. Amy Halanski
Pediatrics 18 years experience
Never: You are conceived with your DNA. You have what you have forever. Sometimes a chromosome that is supposed to "be independent or stand alone" is attached to another chromosome. Only a blood test would be able to tell you that. It won't disconnect from where it is and become independent; it just might explain where it is.
Dr. James Ferguson
Pediatrics 46 years experience
No: The growth of the cell structure in the human body is based on a complex, but predictable system. The chromosomes we have duplicate on a one to one basis to create new cells. If one was lost before or after conception, the surviving cells can only pass on the number of chromosomes they have for new tissue formation.

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Last updated Jul 8, 2018
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