The rodents tag has no wiki summary.
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Why was polyploidy not lethal in certain octodontid rodents?
As discussed in Why is polyploidy lethal for some organisms while for others is not?, polyploidy is normally lethal in mammals.
However, two species of Octodontidae (South American rodents), are ...
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How do porcupines keep from pricking each other while mating?
How do porcupines keep from pricking each other while mating? It seems like they would constantly be scratching each other.
