Does Covariation Between Cranial and Pelvic Shapes Alleviate the Obstetric Dilemma? Insights From a Brazilian Sample [0.03%]
颅骨和骨盆形状之间的共变是否缓解了分娩困境？来自巴西样本的启示
Maria Rita Guedes Carvalho,Mercedes Okumura
Maria Rita Guedes Carvalho
Cranial and pelvic bones could have evolved in response to each other during human evolutionary history due to the increasingly tight fit between the baby's head and the mother's pelvis during delivery. A recently identified covariation pat...
Ontogenetic Mechanisms of Differentiation in Two Salvia Species With Different Pollinators [0.03%]
两种具有不同传粉者的紫草的分化发育机制
Agustín Davies,Santiago Benitez-Vieyra
Agustín Davies
Shifts between pollinators are a major driver in the evolution and diversification of angiosperms and often involve major changes in flower morphology. These morphological differences typically originate during development, highlighting the...
A Conserved Somatic Sex Determination Cascade Instructs Trait-Specific Sexual Dimorphism in Horned Dung Beetles [0.03%]
在有角粪金龟中一种保守的体细胞性别决定级联指导特性特定的两性差异
London C Mitchell,Armin P Moczek,Erica M Nadolski
London C Mitchell
Sex-specific trait expression represents a striking dimension of morphological variation within and across species. The mechanisms instructing sex-specific organ development have been well studied in a small number of insect model systems, ...
Genetic Mapping of Orofacial Traits Reveals a Single Genomic Region Associated With Differences in Multiple Parameters of Jaw Size Between Astyanax mexicanus Surface and Cavefish [0.03%]
颌尺寸多重参数差异的遗传定位揭示了普通墨西哥Ẩ鱼表面和洞穴鱼之间存在单一基因组区域相关性
Amanda K Powers,Alleigh Amaismeier,Kathryn Thiel et al.
Amanda K Powers et al.
The regulation of bone size is a poorly understood and complex developmental process. Evolutionary models can enable insight through interrogation of the developmental and molecular underpinnings of natural variation in bone size and shape....
Kathryn A Stewart,Isabel M Smallegange
Kathryn A Stewart
Plasticity, especially in small newly founded populations, can expose genetic variation to selection during the evolutionary rescue of populations, allowing individuals to achieve a phenotype with which they can survive. However, developmen...
Exceptionally Preserved Setae: A Possible Morphological Synapomorphy of Cambrian Lophotrochozoans [0.03%]
特异保存的纤毛：寒武纪缓步动物群的一个可能的形态同源征
Yue Liang,Timothy P Topper,Lars E Holmer et al.
Yue Liang et al.
Cambrian Lagerstätten yield exceptionally preserved fossils that have greatly improved our understanding of the origin and evolution of animal groups. Brachiopoda, a phylum of bivalved marine invertebrates nested firmly within the lophotro...
Complex and Dynamic Gene-by-Age and Gene-by-Environment Interactions Underlie Functional Morphological Variation in Adaptive Divergence in Arctic Charr (Salvelinus alpinus) [0.03%]
北极白点斑鱼（Salvelinus alpinus）适应性分化中功能形态变异的基因年龄互作和基因环境互作复杂且动态
Christine L Ouellet-Fagg,Anne A Easton,Kevin J Parsons et al.
Christine L Ouellet-Fagg et al.
The evolution of adaptive phenotypic divergence requires heritable genetic variation. However, it is underappreciated that trait heritability is molded by developmental processes interacting with the environment. We hypothesized that the ge...
Embryonic Lethality, Juvenile Growth Variation, and Adult Sterility Correlate With Phylogenetic Distance of Danionin Hybrids [0.03%]
副泥鳅属鱼类杂交胚胎致死、幼鱼生长变异与成体不育的表型与亲缘距离相关性研究
Ryan L Trevena,Benton M Veire,Trevor J Chamberlain et al.
Ryan L Trevena et al.
Hybrid incompatibility, which plays a pivotal role in speciation, is expected to correlate with greater phylogenetic distance. Here, we investigate the fitness of interspecies hybrids within the Danionin subfamily, which includes the model ...
Heterochrony and Oophagy Underlie the Evolution of Giant Filter-Feeding Lamniform Sharks [0.03%]
异定时发育和卵吃行为是巨大型滤食性鼠鲨亚目的演化关键因素
Joel H Gayford,Duncan J Irschick,Andrew Chin et al.
Joel H Gayford et al.
Evolutionary transitions toward gigantic body sizes have profound consequences for the structure and dynamics of ecological networks. Among elasmobranchs (sharks and rays), gigantism has evolved on several occasions, most notably in the ico...
Coding-Sequence Evolution Does Not Explain Divergence in Petal Anthocyanin Pigmentation Between Mimulus luteus Var luteus and M. l. variegatus [0.03%]
编码序列的进化不能解释Mimulus luteus Var luteus和M.l.variegatus中花瓣花青素着色的分化现象
Walker E Orr,Ji Yang Kim,Iker J Sánchez Márquez et al.
Walker E Orr et al.
Biologists have long been interested in understanding genetic constraints on the evolution of development. For example, noncoding changes in a gene might be favored over coding changes if they are less constrained by pleiotropic effects. He...