Two rodent suborders have evolved missing amino acids in the lipid-binding region of apolipoprotein E
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The order Rodentia comprises nearly 45% of all extant taxa, currently organized into 31 living families, some 450 genera, and roughly 2010 species (Kelt & Patton, 2020). Considering that rodents began evolving at least 66 million years ago, it is not surprisin... ...