Weirdly shaped mouse sperm can be used to tell species apart

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Lots of rodent species look nearly identical, and it's hard to tell them apart using DNA. But scientists have found a new way to distinguish one species from another: the shape of their sperm. Closely related species can have sperm with radically different shapes, with sperm head shapes ranging from smooth and rounded to 'soft-serve ice cream cone.' And that means scientists have a new means of telling them apart.
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Weirdly shaped mouse sperm can be used to tell species apart was originally posted by Health Nutrition And Fitness News