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Data from: Female social preference for males that have evolved via monogamy: evidence of a trade-off between pre- and post-copulatory
- 负责人:
- DOI:
- doi:10.5061/dryad.2v4h6
- 摘要:
- polyandry when better-quality males are successful in sperm competition and sire high-quality offspring. Indeed, studies of experimental evolution hav
Data from: Post-spawning sexual selection in red and white Chinook salmon (Oncorhynchus tshawytscha)
- 负责人:
- DOI:
- doi:10.5061/dryad.gs835
- 摘要:
- Post-copulatory processes, including sperm competition and cryptic female choice (CFC), can play important roles in the maintenance of polymorphisms
Data from: Detrimental effects of an autosomal selfish genetic element on sperm competitiveness in house mice
- 负责人:
- 关键词:
- t haplotype segregation distortion polyandry embryo viability indirect benefits genetic incompatibility
- DOI:
- doi:10.5061/dryad.m2f45
- 摘要:
- polyandry. An incentive for polyandry arises when multiple mating leads to sperm competition that disadvantages sperm from genetically inferior mates
Data from: Ejaculate quality and constraints in relation to sperm competition levels among eutherian mammals
- 负责人:
- DOI:
- doi:10.5061/dryad.qj811
- 摘要:
- The outcome of sperm competition is influenced by the relative quantity and quality of sperm among competing ejaculates. Wherea
Data from: The effects of male age, sperm age and mating history on ejaculate senescence
- 负责人:
- DOI:
- doi:10.5061/dryad.8p502cr
- 摘要:
- and his ability to produce competitive ejaculates. In many species, sperm traits differ between old and young males in ways that are likely to decrease the sperm
Data from: The Azores Bullfinch (Pyrrhula murina) has the same unusual and size-variable sperm morphology as the Eurasian Bullfinch (Pyrrhula
- 负责人:
- DOI:
- doi:10.5061/dryad.6sf11
- 摘要:
- ines. Such high sperm-size variation is typically found in species with relaxed sperm competition. However, the high variance in mean sperm length amo
Data from: The bold and the sperm: positive association between boldness and sperm number in the guppy
- 负责人:
- Gasparini, Clelia
- DOI:
- doi:10.5061/dryad.62f422p
- 摘要:
- h as sperm number and quality) become very important in determining post-mating competitive success. Here, we investigate whether variation in per
Data from: Socially cued seminal fluid gene expression mediates responses in ejaculate quality to sperm competition risk
- 负责人:
- DOI:
- doi:10.5061/dryad.8rq18
- 摘要:
- There is considerable evidence that males will increase the number of sperm ejaculated in response to sperm competition risk. However, whether
Data from: Bigger testes increase paternity in a simultaneous hermaphrodite, independently of the sperm competition level
- 负责人:
- Vellnow, Nikolas
- 关键词:
- sperm competition local sperm competition (LSC) simultaneous hermaphrodite sex allocation mating group size male fitness gain curve testis size paternity success
- DOI:
- doi:10.5061/dryad.fd407
- 摘要:
- on. For example, local sperm competition (LSC)—the competition between related sperm for the fertilization of a partner’s ova—occurs in small mating groups
Data from: Stabilizing selection on sperm number revealed by artificial selection and experimental evolution
- 负责人:
- Cattelan, Silvia
- DOI:
- doi:10.5061/dryad.23r95
- 摘要:
- Sperm competition is taxonomically widespread in animals and is usually associated with large sperm production, being the number of sperm