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. Author manuscript; available in PMC: 2013 Apr 4.
Published in final edited form as: Cell. 2009 Sep 4;138(5):855–869. doi: 10.1016/j.cell.2009.07.042

Figure 7. Model of DSB resolution in MSY direct and inverted repeats (palindromes) by NCO and CO pathways.

Figure 7

Sequence identity between palindrome arms or inverted repeats, and between direct repeats, is maintained by NCO resolution of DSBs; such gene conversion could occur between sister chromatids or within a single chromatid. In the case of palindromes or inverted repeats, CO resolution between sister chromatids can generate an idicY and an acentric fragment, while CO resolution within a chromatid results in inversion. In the case of direct repeats, CO resolution between sister chromatids can generate a duplication and an interstitial deletion, while CO resolution within a chromatid yields an interstitial deletion and an acentric fragment.