For instance, it has been argued that as the modern human Y chromosome replaced the Neanderthal equivalent, Neanderthal males became sterile. Other research suggests that human genes might have messed ...
A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...
A n isolated Alaskan population of beluga whales have a population small enough that inbreeding could be a major threat. Yet ...
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