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 Originally Posted by acg123
is it possible our planet was "selected" and seeded by us from another "solar system" where our bodies would not survive the travel time, but single cell organisms would as would DNA?
Is it possible? Speaking purely hypothetically, yes, it is possible - or at least conceivable.
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DNA is an essential molecule, known to all forms of life. Living cells also contain carbohydrates and proteins. DNA is not enough on its own.
A selectively permeable cell wall is fundamentally important, as well - I think. (I'm not a biologist.)
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The difficult part is that the evolutionary end-game is ridiculously unpredictable. Look at the vast variety of life on Earth from animals, plants, fungi, insects... all of them evolved from a single cell over billions of years.
For a sense of scale as pertains to time: 1 billion seconds is ~31.5 years. One billion years is an inconceivable amount of time compared to a human life-span.
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So I'm saying the notion of Panspermia is not too unreasonable. The notion of some intelligent creature trying to recreate themselves via this method seems absurd. (I could be an ignorant monkey, who does not understand what that species understood about evolution.)
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