The rates of introgression and barriers to genetic exchange between hybridizing species: sex chromosomes vs autosomes.

Abstract excerpt

Interspecific crossing experiments have shown that sex chromosomes play a major role in reproductive isolation between many pairs of species. However, their ability to act as reproductive barriers, which hamper interspecific genetic exchange, has rarely been evaluated quantitatively compared to Autosomes. This genome-wide limitation of gene flow is essential for understanding the complete separation of species,...

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