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Andrew Henry's avatar

Thank you for helping me put this together John! I think your audience will really enjoy it

groddlo's avatar

Decades ago, I read about a scientific study. I've been trying to find out more about it, but to no avail. Here's how the study went: the scientists experimented with planaria, the flatworms. It's important to remember here that planaria are able to regenerate themselves completely, including their brains. If you cut a planaria in half, both halves will regrow and you'll end up with two planarias. Well, the scientists trained one group of planaria to associate red light with pain. They would flash the red light and zap the planaria with electricity. The planaria eventually learned to curl up into a ball when they just saw the red light. The scientists then ground the planaria to a pulp and fed this pulp to another group of planaria that were not exposed to either the red light or the zapping. When the scientists then exposed this group to red light, they too would curl up into a ball. They gained the knowledge of the planaria they ate. As I said, I've been trying to find this study, but I wasn't able to. Perhaps somebody would like to replicate it?

In other news, I'm convinved all that "junk DNA" is not junk but is probably storage for epigenetics. After all, in electronic circuits you could say memory circuits are "junk circuits", compared to circuits that actually do something. So many problems in biomedicine's understanding of genes stem from the fact the science is buit from experiments on procariotes, and extrapolating those things to multicellular eucariotes. As a general rule, procariotes don't have junk DNA. But then again, as a general rule, procariotes live by reproducing. Many of them don't even have the ability to *move*, meaning they are nothing more than self-copying machines thrown about. It's a fundamentally different mode of existance compared to multicellular eucariotes.

One other thing when talking about epigenetics. In human conception, the DNA of the sperm gets demethylated, but not the DNA from the ovum. However, when the ovum is artificially fertilized (by inserting the sperm DNA IIRC), both DNAs get demethylated. So, if blood memories are real, people who stem from in-vitro fertilization, the ones who don't stem from sperm and ova mating, are probably going to have all sorts of disordered blood memories, or none at all. If you wanted to test this hypothesis, they would be a good starting point. ;)

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