Which of the following discoveries is most crucial to explaining why all organisms share the same genetic code?

The correct option is RNA's ability to self-catalyze

Explanation:

A molecule of RNA has the capability to self replicate itself. This ability of an RNA molecule to synthesize more RNA molecules of its own kind is crucial in understanding why all organisms have the same genetic code.

Experiments were performed in labs where RNA molecules were synthesized in an in-vitro lab and their abilities to self- replicate and produce mole molecules of their kind were tested and verified.

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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