Submitted by entered_bubble_50 t3_10r7tvc in space
John_B_Clarke t1_j6wu8jk wrote
Reply to comment by isleepinahammock in Investigations reveal more evidence that Mimas is a stealth ocean world by entered_bubble_50
Many people make the assumption that DNA is the only possible carrier for a genetic code. If whatever life we find on Mars or Titan or elsewhere has a different molecule as the basis for its genetic code that would be pretty strong evidence that it didn't originate on Earth.
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