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Terrestrial Origins and Evolution
primitive gene
05/27/09

 

Top: Representation of mineral crystal layers, a possible primitive gene? Middle: Variations in genetic “barcodes”. Bottom: A consortium of chemically different primitive genetic materials.
Image from Cairns-Smith’s “Chemistry and the Missing Era of Evolution,” published in Chemistry (European Journal) 2008, 14, 3830 – 3839.



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