Someone could retrieve Brad Pitt’s skin cells from a hotel bed and use them to make a baby. Two men could make a baby that is biologically related to both. A man could clone himself.
These are some of the possibilities with in vitro gametogenesis (IVG). Today’s New York Times tells the story: Scientists take adult skin cells and reprogram them to become embryonic stem cells. Then they guide the cells to become eggs or sperm.
Researchers in Japan have already used the technique to produce healthy baby mice. Within a decade or two, the technique may be refined for use with humans.
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