UK approves 3-person babies

LONDON (AP) — Britain has become the first country in the world to allow the creation of human embryos from the DNA of three people, a technique intended to help mothers avoid passing on genetically degenerative diseases to their babies.

The bill granting the controversial techniques was passed Tuesday by the House of Lords, after being approved earlier this month by the House of Commons.

The methods involve altering an egg or embryo before it is transferred into a woman which had previously been forbidden by British law. They are intended to avoid passing on defects in the mother's mitochondria, which can result in diseases including muscular dystrophy, heart, kidney, liver failure and severe muscle weakness.


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