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Q&A One Mother + Two Fathers = Twins

In the human species, one male partner is enough for the sperm to fertilize the egg. The average cargo is just one child, half of its DNA from the mother and the other half from the father. But t...

3 answers  ·  posted 9y ago by JohnWDailey‭  ·  last activity 6y ago by JohnWDailey‭

Question biology sex humans