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Yes - blood must be kept at very specific temperatures and conditions if you want to preserve its usefulness in DNA sequencing - most of these are dried blood c
by jjcon 4y ago
Yes - blood must be kept at very specific temperatures and conditions if you want to preserve its usefulness in DNA sequencing - most of these are dried blood cards without strong controls which makes them not particularly useful for good DNA data.
- User23 4y agoScientists have extracted usable DNA from from 7000 year old corpses. I imagine the technology exists for a decades old blood sample if it’s stored at least somewhat properly.
- jjcon 4y agoYes that is very true - There is however quite a bit of difference between a full corpse that is mildly preserved and a dried fleck of blood - a big difference too between a stored fluid blood sample and these pinprick dried sample.
- xeromal 4y agoIt's probably prohibitively expensive at the moment.