Scientists believe early DNA - like fragments trigger their own growth . They claim the process can drive the formation of chemical bonds . These require short DNA strands to produce long ones for organisms to evolve . This self - assembly capability has been shown to take place in RNA .
Scientists say early DNA-like fragments guided their own growth . They claim the process can drive the formation of chemical bonds . These connect short DNA chains to form long ones for life to evolve . This self-assembly capability has been shown to take place in RNA .