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Pronunciation: het'er-o-du'pleks


  1. A DNA molecule, the two constitutive strands of which derive from distinct sources and hence are likely to be somewhat mismatched.
  2. A DNA-RNA hybrid.

[hetero- + L. duplex, two-fold]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.