Prime Minister David Cameron has said a £100 million investment in a DNA database will help to crack cancer and put Britain at the forefront of biotechnology.
He said: "We want to crack cancer and the DNA database can help us to do that. But we also want to keep Britain at the absolute forefront of biotechnology and the pharmaceutical industry. We can be a real world leader in this."
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Shadow chancellor John McDonnell has backed a free vote for MPs on the issue.
Savers into the new scheme can expect rates as high as 4 per cent from some banks.
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