“Maybe one day with CRISPR,” Porteus told him, “they could go in and change the gene in the embryo so that the kid, when it’s born, doesn’t have sickle cell.” Sanchez’s eyes lit up. “I guess that’s kind of cool,” he said. Then he paused. “But I think that should be up to the kid later.” Asked why, he reflected for a moment and then continued slowly. “There’s a lot of things that I learned having sickle cell. Because I had it, I learned patience with everyone. I learned how just to be positive.” But would he like to have been born without sickle cell? Again, he pauses. “No, I don’t wish that
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