ANSWERS: 2
  • Individual blood cells have a limited life. I would think that as your body produced new ones and destroyed old ones..that it would simply break down the donated DNA.
  • The vast majority of the cells in blood are red blood cells, which have no nuclei and hence no DNA. The remaining cells are white blood cells, which break down after time as Da ben dan already answered. White blood cells don't reproduce -- your own body makes the new replacement cells. The DNA can't jump from a transfused blood cell to one of your own.

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