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REPRODUCTIVE BIOLOGY

Sperm size evolution

Nature Ecology & Evolution volume 5, pages 1064–1065 (2021)Cite this article

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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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Authors and Affiliations

  1. School of Biological Sciences, University of East Anglia, Norwich, UK

    Matthew J. G. Gage

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  1. Matthew J. G. Gage
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Correspondence to Matthew J. G. Gage.

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The author declares no competing interests.

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Gage, M.J.G. Sperm size evolution. Nat Ecol Evol 5, 1064–1065 (2021). https://doi.org/10.1038/s41559-021-01501-4

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