London: A new study has brought the step of sequencing foetal genome from the mother’s DNA one step closer.The discovery may offer prospective parents a non-invasive way of testing for any congenital disease.Scientists in Hong Kong and the United States have mapped hundreds of thousands of DNA code variations spread across the genome of an unborn child in order to determine whether or not it would inherit a rare blood disorder.The same approach could indicate, months before an infant is born, whether he or she has inherited cystic fibrosis, sickle cell anaemia and other diseases. It could also determine a child``s complete genome sequence before birth.
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