>why do mice have more bases than us, We don't fully know. However part of the answer may be eukaryotic transposons (TE) (and retrotransposons): https://en.wi

>why do mice have more bases than us, We don't fully know. However part of the answer may be eukaryotic transposons (TE) (and retrotransposons): https://en.wikipedia.org/wiki/Transposable_element https://en.wikipedia.org/wiki/Transposable_element https://en.wikipedia.org/wiki/Retrotransposon https://en.wikipedia.org/wiki/Retrotransposon