Assertion: relative's gene | /r/AtLocation | ancestral eukaryote
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Source sentences:
text: As author Tom Williams said in a 2014 article published in the journal Current Biology, "For the eukaryotic tree, the root position is critical for identifying the genes and traits that may have been present in the ancestral eukaryote, for tracing the evolution of these traits throughout the eukaryotic radiation, and for establishing the deep relationships among the major eukaryotic groups.