The hypothesis that early life forms reproduced without DNA is strongly supported by scientific literature on the RNA World and prebiotic evolution, which indicates that RNA and other molecular precursors preceded DNA-based genetic systems.
Evidence for · 3
The Coevolution of Biomolecules and Prebiotic Information Systems in the Origin of Life: A Visualization Model for Assembling the First Gene.
2022 · cited by 4
The paper discusses the emergence of noncoding RNAs and prebiotic information systems that preceded DNA.
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More for · 2
Trinity of G-tetrads and origin of translation.
2022 · cited by 2
It describes models where early life forms utilized single-step structures like G-tetrads and RNA-like precursors before the advent of conventional genetic machinery.
Whence the demise and fall of the RNA World?
2026 · cited by 0
It outlines an early developmental stage in biology where life existed as RNA or ribonucleoprotein entities before the transition to a DNA world.