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There's Now a Third Way to Inherit Traits That Isn’t Your DNA or RNA, Scientists Say


And they discovered it completely by accident.

Scientists at the University of Toronto studying the hermaphroditic worm Caenorhabditis elegans found that amyloid-like structures—proteins often associated with diseases like Alzheimer’s—can have inheritable traits. Containing some 3.2 billion base pairs, the human genome is far from a simple set of genetic instructions, but the process of inherited traits from parent to child is often described as a straightforward one. Brent Derry’s lab at the University of Toronto led by Matthew Eroglu—now a postdoctoral research scientist at Columbia University—first began studying cancer signaling pathways using the hermaphroditic worm Caenorhabditis elegans.

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