Intraspecific variation in reproductive barriers between two closely related Arabidopsis sister species [0.03%]
两种密切相关的阿拉伯姐姐物种之间生殖隔离的种内变异
Antoine Perrier,Yvonne Willi
Antoine Perrier
Reproductive isolation (RI) is a critical component of speciation and varies strongly in timing and strength among different sister taxa, depending on, for example the geography of speciation and divergence time. However, these factors may ...
Interpopulation variation in inbreeding is primarily driven by tolerance of mating with relatives in a spermcasting invertebrate [0.03%]
精子投射无脊椎动物中与近亲交配的耐受性主要驱动了群体间的近亲繁殖变异
Kevin C Olsen,Don R Levitan
Kevin C Olsen
The degree to which individuals inbreed is a fundamental aspect of population biology shaped by both passive and active processes. Yet, the relative influences of random and non-random mating on the overall magnitude of inbreeding are not w...
Effect of population size and selection on Toll-like receptor diversity in populations of Galápagos mockingbirds [0.03%]
种群大小和选择对加拉帕戈斯嘲鸟Toll样受体多样性的影响
Jakub Vlček,Matěj Miláček,Michal Vinkler et al.
Jakub Vlček et al.
The interactions of evolutionary forces are difficult to analyse in free-living populations. However, when properly understood, they provide valuable insights into evolutionary biology and conservation genetics. This is particularly importa...
Are brood sex ratios adaptive?-The effect of experimentally altered brood sex ratio on nestling growth, mortality and recruitment [0.03%]
子代性别比例是否具有适应性？--实验改变子代性别比例对雏鸟生长、死亡率和补充的影响
Eszter Szász,Fanni Sarkadi,Eszter Szöllősi et al.
Eszter Szász et al.
Brood sex ratios (BSRs) have often been found to be nonrandom in respect of parental and environmental quality, and many hypotheses suggest that nonrandom sex ratios can be adaptive. To specifically test the adaptive value of biased BSRs, i...
Selection on sperm size in response to promiscuity and variation in female sperm storage organs [0.03%]
精子大小在雌性多精贮存器官中的变化及雌性的多配偶制对它的选择作用
Emily R A Cramer,Zelealem B Yilma,Jan T Lifjeld
Emily R A Cramer
Sperm cells are exceptionally morphologically diverse across taxa. However, morphology can be quite uniform within species, particularly for species where females copulate with many males per reproductive bout. Strong sexual selection in th...
Reproductive isolation via divergent genital morphology due to cascade reinforcement in Ohomopterus ground beetles [0.03%]
由于Ohomopterus地面甲虫的级联强化作用导致生殖器官形态分歧而产生的生殖隔离
Tian Xia,Taira Nishimura,Nobuaki Nagata et al.
Tian Xia et al.
Secondary contact between incipient species and selection against maladaptive hybridization can drive reinforcement between populations in contact and result in reproductive character displacement (RCD). Resultant divergence in mating trait...
100 years of Haldane's rule [0.03%]
哈德恩规律百年探秘
Finn Cowell
Finn Cowell
Haldane's rule is one of the 'two rules of speciation'. It states that if one sex is 'absent, rare or sterile' in a hybrid population, then that sex will be heterogametic. Since Haldane first made this observation, 100 years have passed and...
Transcriptomic responses of females to consumption of nuptial food gifts as a potential mediator of sexual conflict in decorated crickets [0.03%]
装饰蟋蟀中通过消费婚前馈赠作为潜在的性别冲突介体引发雌性的转录组反应
Bert Foquet,James Rapkin,Manmohan D Sharma et al.
Bert Foquet et al.
Nuptial food gift provisioning by males to females at mating is a strategy in many insects that is thought to be shaped by sexual conflict or sexual selection, as it affords males access to a female's physiology. While males often attempt t...
Sociality, ecology and developmental constraints predict variation in brain size across birds [0.03%]
社会性、生态和发育限制预测鸟类大脑大小的变异
Jasmine L Hardie,Christopher R Cooney
Jasmine L Hardie
Conflicting theories have been proposed to explain variation in relative brain size across the animal kingdom. Ecological theories argue that the cognitive demands of seasonal or unpredictable environments have selected for increases in rel...
Oviposition behaviour in Drosophila melanogaster: Genetic and behavioural decoupling between oviposition acceptance and preference for natural fruits [0.03%]
黑腹果蝇的产卵行为：自然果实中产卵接受与偏好的遗传和行为解耦
Juan J Fanara,Maria I L Beti,Luciano Gandini et al.
Juan J Fanara et al.
In phytophagous insects, oviposition behaviour is an important component of habitat selection and, given the multiplicity of genetic and environmental factors affecting its expression, is defined as a complex character resulting from the su...