Q: What got you thinking that there might have been one and only one evolution ... was in no way a homologous, a similar structure as in humans. We subsequently found this gene to be present ...

The replication system of archaea is largely unrelated to that of bacteria, but it is homologous to the ... corresponding to coherent evolution of multiple genes with numerous horizontal ...

Indeed, almost all the >11,000 homologous DNA stretches ... lie outside genes, impelling us to find out more about what has constrained the evolution of such regions. Only 14 of the predicted ...