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Article
Emily R. A. Cramer, Auteur ; Melissah Rowe, Auteur ; Fabrice Eroukhmanoff, Auteur ; Jan T. Lifjeld, Auteur ; Glenn-Peter Sætre, Auteur ; Arild Johnsen, AuteurSperm swimming performance, including swimming speed and the proportion of motile cells, may strongly affect fertilization success. However, little is known about how methodological factors affect in vitro measurement of these parameters. We com[...]
Article
K. Supriya, Auteur ; Trevor D. Price, Auteur ; Melissah Rowe, AuteurTheoretical models predict that investment in pre-copulatory and post-copulatory sexually selected traits should trade-off. At the macroevolutionary scale, the majority of studies to date have focused on male weaponry as the target of pre-copula[...]
Article
Taiwo C. Omotoriogun, Auteur ; Terje Laskemoen, Auteur ; Melissah Rowe, Auteur ; Tomáš Albrecht, Auteur ; Rauri C. K. Bowie, Auteur ; Ondřej Sedláček, Auteur ; David Hořák, Auteur ; Ulf Ottosson, Auteur ; Jan T. Lifjeld, AuteurBirds show considerable variation in sperm morphology. Closely related species and subspecies can show diagnostic differences in sperm size. There is also variation in sperm size among males within a population, and recent evidence from passerin[...]
Article
Melissah Rowe, Auteur ; Murray R. Bakst, Auteur ; Stephen Pruett-Jones, AuteurWhen females mate multiply, sperm competition can generate strong selection for traits that provide males with a fertilisation advantage. This study examined the cloacal tip, a unique morphological structure of males that appears to be associate[...]
