A plant called beetleweed has three different chromosome complements within its geographical range

PHYSorg
May 13, 2025, 4:05 pm203 ptsTop
About 3.7 billion years ago, a string of naturally occurring amino—the same kind that astronomers have found in meteorites and just recently in a stellar nursery near the center of the Milky Way—reacted with a naturally occurring catalyst and began the fateful process of self-assembled replication.

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