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Data from: The fate of W chromosomes in hybrids between wild silkmoths, Samia cynthia ssp.: no role in sex determination and reproduction
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DOI:
doi:10.5061/dryad.2752g
摘要:
Moths and butterflies (Lepidoptera) have sex chromosome systems with female heterogamety (WZ/ZZ or derived variants). The maternally inherited
Data from: Exaggerated heterochiasmy in a fish with sex-linked male coloration polymorphisms
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关键词:
Poecilia reticulata;sex chromosomes;crossing over;sexual antagonism;guppies
DOI:
doi:10.5061/dryad.70bs72s
摘要:
) polymorphisms] are the main selective force for the evolution of recombination suppression between sex chromosomes. However, empirical evidence to discriminate
Data from: Analysis of the karyotype structure in Ricolla quadrispinosa (Linneus, 1767): inferences about the chromosomal evolution of the tribes
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关键词:
Heteroptera;Ricolla quadrispinosa;Insecta;holokinetic chromosomes;fluorochromes;chromosomal rearrangements.;reproductive isolation;speciation;heterochromatin
DOI:
doi:10.5061/dryad.2j8jr
摘要:
quadrispinosa (Linneus, 1767). The chromosome number was determined as 2n = 24 + X1X2Y in males. In metaphase II the autosomal chromosomes were organized
Data from: The balanced-lethal system of crested newts: a ghost of sex chromosomes past?
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Sex: ratio;Modeling: individual based;Genetics: evolutionary;Sex: determination;Adaptation;Fitness;Selection: natural
DOI:
doi:10.5061/dryad.3n977
摘要:
e viable, while homozygotes are lethal. Given such a strong segregation load, how could autosomes stop recombining? We propose a role for a sex-chromosome
Data from: Empirical evidence for large X-effects in animals with undifferentiated sex chromosomes
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关键词:
tree frogs sex chromosomes speciation hybrid zone
DOI:
doi:10.5061/dryad.5jq64
摘要:
Reproductive isolation is crucial for the process of speciation to progress. Sex chromosomes have been assigned a key role in driving
Data from: X-chromosome meiotic drive in Drosophila simulans: a QTL approach reveals the complex polygenic determinism of Paris drive suppression
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关键词:
drosophila simulans;drive suppression;sex chromosome meiotic drive;QTL mapping
DOI:
doi:10.5061/dryad.5dk2fs5
摘要:
lection, which tends to restore an equal sex ratio, favors the emergence of resistant Y chromosomes and autosomal suppressors. This is the case in the Paris sex
Data from: Contrasting patterns of X-chromosome divergence underlie multiple sex-ratio polymorphisms in stalk-eyed flies
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关键词:
Teleopsis whitei;recombination;selfish gene;Teleopsis dalmanni;genomic conflict;Genetic divergence
DOI:
doi:10.5061/dryad.04pj7
摘要:
ows chromosome-wide differences between sex-ratio (XSR) and standard (XST) X chromosomes consistent with a relatively old sex-ratio haplotype base
Data from: The sex with the reduced sex chromosome dies earlier: a comparison across the tree of life
负责人:
关键词:
sex chromosomes;Unguarded X;sexual dimorphism;longevity;Y chromosome;lifespan
DOI:
doi:10.5061/dryad.tmpg4f4vk
摘要:
in lifespan is the unguarded X hypothesis, which suggests that the reduced or absent chromosome in the heterogametic sex (e.g. the Y chromosome in mammals
Data from: Accumulation of deleterious mutations on the neo-Y chromosome of Japan sea stickleback (Gasterosteus nipponicus)
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关键词:
deleterious;Gasterosteus nipponicus;sex chromosome
DOI:
doi:10.5061/dryad.v8rq0
摘要:
Degeneration of Y chromosomes is a common evolutionary path of XY sex chromosome systems. Recent genomic studies in flies and plants have revealed
Data from: A new approach to chromosomal evolution in the giant water bug (Heteroptera: Belostomatidae)
负责人:
关键词:
Holocentric chromosomes;rDNA Subject area: phylogenetics;Microdissection;genomics;gene mapping;cytogenetics;Heterochromatinization;karyotype evolution;rDNA Subject area: Molecular systematics;Belostoma
DOI:
doi:10.5061/dryad.nf241
摘要:
(NORs) on the sex chromosomes. That karyotype would have originated other karyotypes through agmatoploidy, simploidy, heterochromatinization, and mo

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