Playing God: Genetic testing humans

"It's a miracle," she told me. "We can now have a baby that won't have Huntington's disease. I thought I'd never be able to have any kids -- because of the disease." Her father had died from this disorder, which results from a gene mutation. She feared that she might have the mutation, too. But she was too scared to undergo testing for it. She also worried that if she had it, she might pass it on to her children.



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