Do you know where your DNA is tonight?

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The discussion explores the various ways DNA can migrate and be incorporated into different biological systems, including bacteria, plants, and animals. It humorously illustrates the concept through a personal anecdote about shedding DNA after a stray dog consumes gum, leading to a playful notion of a microbe recognizing its human "parent." Participants reflect on the challenges of keeping DNA private, suggesting that shedding DNA complicates committing crimes. A futuristic vision of a "DNA registry" is proposed, likening it to a biographical museum that could store the genetic data of humanity and other life forms in an incredibly compact format. The conversation highlights the interconnectedness of DNA across species and the implications for identity and forensic science.
Loren Booda
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Where to and how far has your DNA migrated? Has it been incorporated by bacteria, transformed into viral RNA, preserved in permafrost, digested by animals, absorbed by plants, lofted miles into the atmosphere, tunnelled through subterranean aquifers, or passed on in some semblance to the next generation?
 
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I spit out a piece of gum at a truck stop once. This stray dog ran over to it and ate it. A week later I stepped in some dog doo-doo. When I looked at the bottom of my shoe, a microbe called me 'daddy'. The voice was faint, but unmistakeably familiar.
 
Chronos said:
I spit out a piece of gum at a truck stop once. This stray dog ran over to it and ate it. A week later I stepped in some dog doo-doo. When I looked at the bottom of my shoe, a microbe called me 'daddy'. The voice was faint, but unmistakeably familiar.

:smile: I manage to keep most of my DNA with me at all times, but also seem to shed just enough of it to prevent me from ever being able to commit the perfect crime. :-p
 
Moonbear said:
:smile: I manage to keep most of my DNA with me at all times, but also seem to shed just enough of it to prevent me from ever being able to commit the perfect crime. :-p
:smile: You killed me without any witnesses. It may not be the perfect crime, but even a really bad lawyer can get you acquited.
 
I picture a "DNA registry" of the future, as much a biographical museum as forensic resource. The whole data for reproducing the human race could fit in quantum memory roughly within the "head of a pin," and for Biota overall, within a cubic centimeter. As in nature, both relatively perfect and defective would be welcome into this collective.
 
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