ArticleBMC evolutionary biology2019
Sex ratios and bimaturism differ between temperature-dependent and genetic sex-determination systems in reptiles.
Article in BMC evolutionary biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Variation in adult sex ratios in tetrapods is linked to sex chromosomes through mortality differences between males and females.PLoS biology · 2025Article
- Environmental (and Random?) Sex Determination in Endangered and Invasive Phelsuma Geckos.Sexual development : genetics, molecular biology, evolution, endocrinology, embryology, and pathology of sex determination and differentiation · 2024Article
- A delayed and unsynchronized ovary development as revealed by transcriptome of brain and pituitary ofFrontiers in molecular biosciences · 2024Article
- Gonadal Transcriptome Analysis and Sequence Characterization of Sex-Related Genes inInternational journal of molecular sciences · 2022Article
- Effects of global warming on species with temperature-dependent sex determination: Bridging the gap between empirical research and management.Evolutionary applications · 2021Review
- Sex chromosome evolution among amniotes: is the origin of sex chromosomes non-random?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021Article
- Poorly differentiated XX/XY sex chromosomes are widely shared across skink radiation.Proceedings. Biological sciences · 2021Article
- Sex determination systems in reptiles are related to ambient temperature but not to the level of climatic fluctuation.BMC evolutionary biology · 2020Article
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5 authors.
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Abstract
backgroundSex-determining systems may profoundly influence the ecology, behaviour and demography of animals, yet these relationships are poorly understood. Here we investigate whether species with temperature-dependent (TSD) and genetic sex determination (GSD) differ in key demographic traits, using data from 181 species representing all major phylogenetic lineages of extant reptiles.
resultsWe show that species with TSD exhibit significantly higher within-species variance in sex ratios than GSD species in three major life stages: birth or hatching, juvenility and adulthood. In contrast, sex differences in adult mortality rates do not differ between GSD and TSD species. However, TSD species exhibit significantly greater sex differences in maturation ages than GSD species.
conclusionThese results support the recent theoretical model that evolution of TSD is facilitated by sex-specific fitness benefits of developmental temperatures due to bimaturism. Our findings suggest that different sex-determination systems are associated with different demographic characteristics that may influence population viability and social evolution.
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