Some bacteria are capable of naturally taking up genetics of nearby bacteria. There are other methods for horizontal gene transference. It happens more in simpl

Some bacteria are capable of naturally taking up genetics of nearby bacteria. There are other methods for horizontal gene transference. It happens more in simple organisms, but even humans are thought to have DNA in a genome transferred by ancient viruses. https://en.wikipedia.org/wiki/Transformation_(genetics) https://en.wikipedia.org/wiki/Transformation_(genetics) https://en.wikipedia.org/wiki/Horizontal_gene_transfer https://en.wikipedia.org/wiki/Horizontal_gene_transfer