Midsegmental exchanges between sister chromatids.
The model for SCE, proposed by (1), is adapted to the exchange of one or more segments located midway along the chromatid axis. In spite of conflicts in the handedness of these midsegments, the model accounts for the undistorted stacking of both sister chromatids.
Matioli
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USC School of Medicine, Los Angeles, 90033.
D000818:Animals; D002842:Chromatids / Q000648:ultrastructure; D008957:Models, Genetic; D012854:Sister Chromatid Exchange / Q000502:physiology*