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FDA Considers Allowing Scientists To Alter Human Genome06:42

This article is more than 6 years old.

The FDA is in a second round of hearings today to decide whether to allow scientists to alter the human genome. The idea is to help women with mitochondrial disease, who suffer from problems ranging from blindness to organ failure, to not pass the disease down to their children.

Doctors would remove the nucleus of the egg of the diseased woman and replace it with the nucleus of an egg from a healthy woman donor. That egg would then be fertilized by the father. The result would be a child with DNA from three parents.

This technique has so far not been used with humans, though a similar one was stopped by the FDA in 2001. Opponents say once doctors are allowed to alter the genome, it's a slippery slope.

Karen Weintraub has been covering this story and joins Here & Now's Meghna Chakrabarti with details.


This segment aired on February 26, 2014.

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