25.5.05

Scientific American.com: RNA to the Rescue

Novel inheritance patterns violate Mendel's laws

The central dogma of modern biology holds that genetic information is inherited in the form of DNA, copied into RNA and expressed as protein; pride of place goes to DNA. But the spectacular discovery that a species of plant can summon up genes its parents have lost highlights biologists' increasing recognition of RNA as a more versatile and important molecule in its own right.

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