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Simultaneous ClustalW alignment of the repeats recovered from loci D1Z7 and D19Z3 from hybrid cell lines GM 13139 (shaded in grey) and GM 10449 (shaded in purple). The clustalW alignment was performed with all sequenced repeats, including those in which a DVN is only shared by two repeats. Those DVN positions are not included here for more clarity. Vertical arrows point to positions which have been specifically homogenised within one or the other chromosome.
