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| valign=top|[[File:Smellie1754_table_10_twins.jpg|thumb|150px|alt=Twinning historic drawing|Twinning historic drawing by William Smellie (1697-1763)]] | | valign=top|[[File:Smellie1754_table_10_twins.jpg|thumb|150px|alt=Twinning historic drawing|Twinning historic drawing by William Smellie (1697-1763)]] | ||
<br>Sesquizygotic twinning is a rare intermediate form of twinning, lying between mono-zygotic and dizygotic twinning, the twins can be maternally identical but chimerical for their paternal genome. This rare twinning event has been recently identified in a {{amniocentesis}} genotyping study<ref name=Ref-Gabbett2019>{{Ref-Gabbett2019}}</ref> that showed twins that were maternally identical, but chimerically shared 78% of their paternal genome. | <br>Sesquizygotic twinning is a rare intermediate form of twinning, lying between mono-zygotic and dizygotic twinning, the twins can be maternally identical but chimerical for their paternal genome. This rare twinning event has been recently identified in a {{amniocentesis}} genotyping study<ref name=Ref-Gabbett2019>{{Ref-Gabbett2019}}</ref> that showed twins that were maternally identical, but chimerically shared 78% of their paternal genome. | ||
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