Blood: Difference between revisions
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(Created page with " ==Is there DNA in blood== <!-- Yes, but not a lot. Red blood cells don't have DNA, white blood cells (leukocytes) do. In proportion not a ''lot''. For some indication: to...") |
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Yes, but not a lot. | Yes, but not a lot. | ||
Red blood cells don't have DNA, white blood cells (leukocytes) do. | Red blood cells don't have DNA, white blood cells ([[leukocytes]]) do. | ||
So in proportion not a ''lot''. For some indication: to detect white blood cell DNA after a transfusion you need PCR (basically, "multiply what's there"), and for it to be selective to ignore the host blood, to get a decent detection (which lessens to be too hard after a week or so). | |||