The ability to analyze genomes - sequences of DNA - has grown more and more sophisticated. Scientists are able to examine the biological past in finer detail and with greater accuracy. A new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated. This gives credence to a very startling new theory: the ancestors of humans and chimpanzees might have hybridized to produce the lineage from which modern humans eventually developed. What can be inferred from the statements above? ['Political and religious pressures will affect the course of future research.', 'Hybridized species combine the best of both lineages.', 'Earlier genome analysis established genetic links between early humans and chimpanzees.', 'Human DNA is more complex than that of chimpanzees.']