The study, which is half-completed, aims to produce clear figures on the numberof Caesarian sections being carried out on the NHS and to provide an explanation for the increase.
The locations of these repeating sections are predictable, but the numberof times a group of nucleotides is repeated varies from chromosome to chromosome.
And although many sectionsof the draft regulations were finalized as proposed, a significant numberof data capture and definitional provisions were revised and clarified.