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Previous Sex Partners’ Semen Can Influence Fly Offspring
So far, the phenomenon has only been seen in flies, but it’s possible it could be happening in other animals.
Your Dog Might Have Some Of Its Older Sibling’s Cells
A condition known as microchimerism, when an individual ends up with traces of someone else's genetic material, can happen in dogs as well as humans.
Can Mammal Mothers Choose The Sex Of Their Offspring?
"Hmm, it seems to be a tough year for food. I believe I will have a litter of...females."