Sperm form and function: What do we know about the role of sexual selection?

Stefan Lüpold, Scott Pitnick

Research output: Contribution to journalReview article

26 Scopus citations

Abstract

Sperm morphological variation has attracted considerable interest and generated a wealth of predominantly descriptive studies over the past three centuries. Yet, apart from biophysical studies linking sperm morphology to swimming velocity, surprisingly little is known about the adaptive significance of sperm form and the selective processes underlying its tremendous diversification throughout the animal kingdom. Here, we first discuss the challenges of examining sperm morphology in an evolutionary context and why our understanding of it is far from complete. Then, we review empirical evidence for how sexual selection theory applies to the evolution of sperm form and function, including putative secondary sexual traits borne by sperm.

Original languageEnglish (US)
Pages (from-to)R229-R243
JournalReproduction
Volume155
Issue number5
DOIs
StatePublished - Jan 1 2018

ASJC Scopus subject areas

  • Reproductive Medicine
  • Embryology
  • Endocrinology
  • Obstetrics and Gynecology
  • Cell Biology

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