Sex roles and sex ratios in animals

PM Kappeler, S Benhaiem, C Fichtel… - Biological …, 2023 - Wiley Online Library
In species with separate sexes, females and males often differ in their morphology,
physiology and behaviour. Such sex‐specific traits are functionally linked to variation in …

The evolution of female genitalia

NS Sloan, LW Simmons - Journal of Evolutionary Biology, 2019 - academic.oup.com
Female genitalia have been largely neglected in studies of genital evolution, perhaps due to
the long‐standing belief that they are relatively invariable and therefore taxonomically and …

Sex‐specific inbreeding depression: A meta‐analysis

R Vega‐Trejo, RA de Boer, JL Fitzpatrick… - Ecology …, 2022 - Wiley Online Library
Inbreeding depression, the reduced fitness of the offspring of related individuals, can affect
males and females differently. Although a comprehensive theoretical framework describing …

Fossil evidence sheds light on sexual selection during the early evolution of birds

Y Zhou, Y Pan, M Wang, X Wang… - Proceedings of the …, 2024 - National Acad Sciences
The impact of sexual selection on the evolution of birds has been widely acknowledged.
Although sexual selection has been hypothesized as a driving force in the occurrences of …

[HTML][HTML] Genome-wide association study reveals the genetic basis of growth trait in yellow catfish with sexual size dimorphism

P Huang, W Guo, Y Wang, Y Xiong, S Ge, G Gong… - Genomics, 2022 - Elsevier
Sexual size dimorphism has been widely observed in a large number of animals including
fish species. Genome-wide association study (GWAS) is a powerful tool to dissect the …

Distinctiveness and femininity, rather than symmetry and masculinity, affect facial attractiveness across the world

K Kleisner, P Tureček, SA Saribay, O Pavlovič… - Evolution and Human …, 2024 - Elsevier
Studies investigating facial attractiveness in humans have frequently been limited to
studying the effect of individual morphological factors in isolation from other facial shape …

The sexual selection of creativity: a nomological approach

FC Novaes, JC Natividade - Frontiers in Psychology, 2023 - frontiersin.org
Cultural innovations, such as tools and other technical articles useful for survival, imply that
creativity is an outcome of evolution. However, the existence of purely ornamental items …

Evidence for stronger sexual selection in males than in females using an adapted method of Bateman's classic study of Drosophila melanogaster

N Davies, T Janicke, EH Morrow - Evolution, 2023 - academic.oup.com
Bateman's principles, originally a test of Darwin's theoretical ideas, have since become
fundamental to sexual selection theory and vital to contextualizing the role of anisogamy in …

Sexual size dimorphism in mammals is associated with changes in the size of gene families related to brain development

B Padilla-Morales, AP Acuña-Alonzo, H Kilili… - Nature …, 2024 - nature.com
In mammals, sexual size dimorphism often reflects the intensity of sexual selection, yet its
connection to genomic evolution remains unexplored. Gene family size evolution can reflect …

Evolutionary patterns of intersexual power

RJ Lewis, EC Kirk, AD Gosselin-Ildari - Animals, 2023 - mdpi.com
Simple Summary Social inequality is pervasive in primates, with male-biased power often
assumed as the default condition. We tested this assumption with a broad dataset and …