Sex chromosome evolution in action in fourspine sticklebacks - Vicoso, Beatriz; Sex chromosomes in evolution and development (Trends in Ecology and Evolution, 2025)
The suppression of recombination between young X and Y chromosomes is a crucial step in their evolution, but why it occurs is not known. The detailed characterization of the polymorphic sex chromosomes of the fourspine stickleback by Liu et al. promises to shed new light on this longstanding question.
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