As counter-intuitive as it may sound, a baby has been born that has the DNA of three separate people. While we're quite familiar with the traditional combination of genetic material from two reproductive cells -- ovum and sperm -- this combination came from the DNA of the baby's mother, father, and a separate egg donor.
This new procedure was employed because the baby's mother carries the gene for Leigh syndrome, a neurological disorder that can be fatal to the infant within a few years after birth. Two previous children born to this individual succumbed to the disease, prompting her to seek help in avoiding passing the deadly gene on to yet another child.
This new procedure was employed because the baby's mother carries the gene for Leigh syndrome, a neurological disorder that can be fatal to the infant within a few years after birth. Two previous children born to this individual succumbed to the disease, prompting her to seek help in avoiding passing the deadly gene on to yet another child.
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