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Intragenomic conflict, the conflict of interest between different genomic regions within an individual, is proposed as a mechanism driving both the rapid evolution of heterochromatin‐related proteins and the establishment of intrinsic genomic incompatibility between species. Although molecular studies of laboratory model organisms have demonstrated the link between heterochromatin evolution and hybrid...
Sex chromosomes are among the most evolutionarily labile features in some groups of animals. One of the mechanisms causing structural changes of sex chromosomes is fusion with an autosome. A recent study showed that the establishment rates of Y chromosome–autosome fusions are much higher than those of other fusions (i.e., X-autosome, W-autosome, and Z-autosome fusions) in fishes and reptiles. Although...
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