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There are two pairs of sisters going head-to-head in the 2024 Boat Race.

Helen Nielsen-Scott's rowing for Cambridge, with her sister Maria representing Oxford.

Identical twins Gemma and Catherine King are also on opposite sides.

Gemma's doing a PhD in stem cell biology at Cambridge... Catherine's at Oxford doing one in cardiovascular science.

Catherine reckons she's just about got the edge over her sister, as she tells Dotty McLeod.