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Sperm size evolution

Sperm length unexpectedly varies more than 3,000-fold across species, posing new questions for anisogamy theory and understanding the different forces shaping evolution of the male gamete.

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Fig. 1: Evolution of anisogamy.


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Correspondence to Matthew J. G. Gage.

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Gage, M.J.G. Sperm size evolution. Nat Ecol Evol 5, 1064–1065 (2021).

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