Once recombination is halted between the X and Y chromosomes, sex chromosomes begin
to differentiate and transition to heteromorphism. While there is a remarkable variation …

The relative rate of evolution for sex‐biased genes has often been used as a measure of the
strength of sex‐specific selection. In contrast to studies in a wide variety of animals, far less …

Sex chromosomes evolve once recombination is halted between a homologous pair of
chromosomes. The dominant model of sex chromosome evolution posits that recombination is …

The loss of recombination triggers divergence between the sex chromosomes and promotes
degeneration of the sex-limited chromosome. Several livebearers within the genus Poecilia …

Genomic analysis of many nonmodel species has uncovered an incredible diversity of sex
chromosome systems, making it possible to empirically test the rich body of evolutionary …

Gene expression differences between males and females are thought to be key for the
evolution of sexual dimorphism, and sex-biased genes are often used to study the molecular …

The organization and coordination of fish schools provide a valuable model to investigate the
genetic architecture of affiliative behaviours and dissect the mechanisms underlying social …

Loss of recombination between sex chromosomes often depletes Y chromosomes of
functional content and genetic variation, which might limit their potential to generate adaptive …

The guppy sex chromosomes show an extraordinary diversity in divergence across
populations and closely related species. In order to understand the dynamics of the guppy Y …

The rate of germline mutation is fundamental to evolutionary processes, as it generates the
variation upon which selection acts. The guppy, Poecilia reticulata, is a model of rapid …