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Brother sperm train together

Mouse sperm cells team up with their kin in the race to fertilize eggs.

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  1. Fisher, H. S. & Hoekstra, H. E. Nature advance online publication doi:10.1038/nature08736 (2010).

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Peromyscus maniculatus

Peromyscus polionotus

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Whitfield, J. Brother sperm train together. Nature (2010).

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