Enzyme key to 'sister act' that maintains genome stability

Keeping the genome stable is a "sister act" of matched chromatids – the pairs of the double helix DNA molecule that exist during the chromosome duplication in the S phase of the cell cycle.

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<p><a href="http://www.physorg.com/news134915706.html">Enzyme key to 'sister act' that maintains genome stability</a></p> <p>Keeping the genome stable is a "sister act" of matched chromatids – the pairs of the double helix DNA molecule that exist during the chromosome duplication in the S phase of the cell cycle.</p>