Does DNA from a foetus get into the mother's bloodstream?

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Offline thedoc

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I recently heard that the DNA of a child mixes back into the blood of a natural mother, such that the mother then carries that DNA ever after.  Is this the case with surrogate mothers as well?  Will an unrelated surrogate foetus change the carrier's DNA?

Asked by Mouse Durgin

                                        Visit the webpage for the podcast in which this question is answered.
[chapter podcast=1001104 track=15.07.28/Naked_Scientists_Show_15.07.28_1003937.mp3]  ...or Listen to the Answer[/chapter] or [download as MP3]
« Last Edit: 28/07/2015 19:27:13 by _system »