> Many single-celled organisms collect genes from other organisms — a rocess known as horizontal gene transfer — but multicellular organisms tend not to.

The latter supposedly is only observable in lab conditions (http://www.gmo-safety.eu/en/gene_transfer/marker_genes/226.docu.html).  I am a skeptic since, for me, nature is one big lab that finds ways to achieve 'improbable conditions.'

Waldemar

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