We asked leading scientists to predict the future. Here’s what they had to say

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8. Will sex become obsolescent?
“No, but having sex to conceive babies is likely to become at least much less common. In 20 to 40 years we’ll be able to derive eggs and sperm from stem cells, probably the parents’ skin cells. This will allow easy preimplantation genetic diagnosis on a large number of embryos—or easy genome modification for those who want edited embryos instead of just selected ones.”
—Henry Greely, director of the Center for Law and the Biosciences at Stanford University