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Open Access Research article

The origin and evolution of ARGFX homeobox loci in mammalian radiation

Guang Li and Peter WH Holland*

BMC Evolutionary Biology 2010, 10:182  doi:10.1186/1471-2148-10-182

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Another possible explanation for unusual range of species

Brig Klyce   (2010-07-16 08:39)  Astrobiology Research Trust email

You wrote, "the range of species in which mutation of the ARGFX locus is found do not form a monophyletic group to the exclusion of humans. There are several possible explanations for this unusual pattern." Then you list four possibilities.

I think you omitted an important one, horizontal gene transfer. This also could account for the unusual distribution.

Competing interests

I have no competing interest, technically, but I actively advocate a competing theory, cosmic ancestry. In it, horizontal gene transfer is the dominant means of new gene acquisition.

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