• theunknownmuncher@lemmy.world
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    4 个月前

    We’ve also probably got viruses as a permanent part of our genome from some ancestor species.

    We definitely have viruses as a permanent part of our genome. A type of herpes virus is present in the DNA of all living things descended from bony fishes

    • kadu@lemmy.world
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      4 个月前

      Mammals wouldn’t have a chorioallantoic placenta at all if not for a virus integrated into our genome. Mapping when in evolution the genes responsible for placental development first appeared was my first participation in scientific research, so I love this topic.