ArticleBiology letters2020
The probability of fusions joining sex chromosomes and autosomes.
Article in Biology letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Causes and consequences of sex-chromosome turnovers in Diptera.Evolution letters · 2026Article
- Chromosomal rearrangements: tempo and mode of karyotype evolution in Scarabaeoidea.Journal of evolutionary biology · 2026Article
- Genome assemblies of the liverwort Blasia pusilla uncover a well-defined pseudoautosomal region on homomorphic UV sex chromosomes.Genome biology · 2026Article
- A fixation-weighted null model for the proportion of sex chromosome-autosome fusions.microPublication biology · 2026Article
- The Tree of Sex consortium: a global initiative for studying the evolution of reproduction in eukaryotes.Journal of evolutionary biology · 2025Article
- Phylogenomics resolves key relationships inEvolution letters · 2025Article
- Hierarchical architecture of neo-sex chromosomes and accelerated adaptive evolution in tortricid moths.Genome research · 2025Article
- Neo-Sex Chromosome Evolution in Treehoppers Despite Long-Term X Chromosome Conservation.Genome biology and evolution · 2024Article
- Sex-biased gene content is associated with sex chromosome turnover in Danaini butterflies.Molecular ecology · 2024Article
- Two novel genomes of fireflies with different degrees of sexual dimorphism reveal insights into sex-biased gene expression and dosage compensation.Communications biology · 2024Article
- Drift drives the evolution of chromosome number I: The impact of trait transitions on genome evolution in Coleoptera.The Journal of heredity · 2024Article
- Article
- Review
- Three recent sex chromosome-to-autosome fusions in a Drosophila virilis strain with high satellite DNA content.Genetics · 2023Article
- Origin and chromatin remodeling of young X/Y sex chromosomes in catfish with sexual plasticity.National science review · 2023Article
- Article
- Why not Y naught.Heredity · 2022Review
- Diptera andFrontiers in ecology and evolution · 2022Article
- The probability of fusions joining sex chromosomes and autosomes.Biology letters · 2020Article
- Lineage-specific patterns of chromosome evolution are the rule not the exception in Polyneoptera insects.Proceedings. Biological sciences · 2020Article
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3 authors.
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Abstract
Chromosome fusion and fission are primary mechanisms of karyotype evolution. In particular, the fusion of a sex chromosome and an autosome has been proposed as a mechanism to resolve intralocus sexual antagonism. If sexual antagonism is common throughout the genome, we should expect to see an excess of fusions that join sex chromosomes and autosomes. Here, we present a null model that provides the probability of a sex chromosome autosome fusion, assuming all chromosomes have an equal probability of being involved in a fusion. This closed-form expression is applicable to both male and female heterogametic sex chromosome systems and can accommodate unequal proportions of fusions originating in males and females. We find that over 25% of all chromosomal fusions are expected to join a sex chromosome and an autosome whenever the diploid autosome count is fewer than 16, regardless of the sex chromosome system. We also demonstrate the utility of our model by analysing two contrasting empirical datasets: one from
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