A lot of my first novel is related to cloning-in particular, the cloning of human beings.  In spite of the many ethical issues involved, it’s fun to extrapolate far into the future when mankind is setting up the first interstellar voyage.  In this case, cloning human beings after the ship arrives at Epsilon Eridani might save a whole lot on what supplies need to accompany our space travelers on their long trip.  You could have robots as baby sitters until all the first set of newborns reach adulthood, then clone them, and so forth.

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