The BBC has the story: MPs say yes to three-person babies (not without controversy):
"MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move.
"The UK is now set to become the first country to introduce laws to allow the creation of babies from three people.
"In a free vote in the Commons, 382 MPs were in favour and 128 against the technique that stops genetic diseases being passed from mother to child.
"During the debate, ministers said the technique was "light at the end of a dark tunnel" for families.
"A further vote is required in the House of Lords. It everything goes ahead then the first such baby could be born next year.
"Proponents said the backing was "good news for progressive medicine" but critics say they will continue to fight against the technique that they say raises too many ethical and safety concerns.
"Estimates suggest 150 three-person babies could be born each year.
"Prime Minister David Cameron said: "We're not playing god here, we're just making sure that two parents who want a healthy baby can have one."
...
"Mitochondria are the tiny compartments inside nearly every cell of the body that convert food into useable energy. They have their own DNA, which does not affect characteristics such as appearance.
"Defective mitochondria are passed down only from the mother. They can lead to brain damage, muscle wasting, heart failure and blindness.
"The technique uses a modified version of IVF to combine the DNA of the two parents with the healthy mitochondria of a donor woman.
"It results in babies with 0.1% of their DNA from the second woman and is a permanent change that would be passed down through the generations.
...
"Last week the Catholic and Anglican Churches in England said the idea was not safe or ethical, not least because it involved the destruction of embryos.
"Other groups, including Human Genetics Alert, say the move would open the door to further genetic modification of children in the future - so-called designer babies, genetically modified for beauty, intelligence or to be free of disease."
"MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move.
"The UK is now set to become the first country to introduce laws to allow the creation of babies from three people.
"In a free vote in the Commons, 382 MPs were in favour and 128 against the technique that stops genetic diseases being passed from mother to child.
"During the debate, ministers said the technique was "light at the end of a dark tunnel" for families.
"A further vote is required in the House of Lords. It everything goes ahead then the first such baby could be born next year.
"Proponents said the backing was "good news for progressive medicine" but critics say they will continue to fight against the technique that they say raises too many ethical and safety concerns.
"Estimates suggest 150 three-person babies could be born each year.
"Prime Minister David Cameron said: "We're not playing god here, we're just making sure that two parents who want a healthy baby can have one."
...
"Mitochondria are the tiny compartments inside nearly every cell of the body that convert food into useable energy. They have their own DNA, which does not affect characteristics such as appearance.
"Defective mitochondria are passed down only from the mother. They can lead to brain damage, muscle wasting, heart failure and blindness.
"The technique uses a modified version of IVF to combine the DNA of the two parents with the healthy mitochondria of a donor woman.
"It results in babies with 0.1% of their DNA from the second woman and is a permanent change that would be passed down through the generations.
...
"Last week the Catholic and Anglican Churches in England said the idea was not safe or ethical, not least because it involved the destruction of embryos.
"Other groups, including Human Genetics Alert, say the move would open the door to further genetic modification of children in the future - so-called designer babies, genetically modified for beauty, intelligence or to be free of disease."
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