Assertion: ancestor's dna | /r/CapableOf | serve as stable genetic repository
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Source sentences:
text: However, some of those genes could have developed later, then spread universally by horizontal gene transfer ("gene sharing") between archaea and bacteria ^  consisted of a RNA-DNA hybrid genome, or possessed a retrovirus-like genetic cycle with DNA serving as a stable genetic repository.
text: However, other studies propose that LUCA may have been defined wholly through RNA consisted of a RNA-DNA hybrid genome, or possessed a retrovirus-like genetic cycle with DNA serving as a stable genetic repository.