Genetic conflict and sex chromosome evolution games in Gympie

Copyright notice. Box 1. Sweigart AL, et al. Sex chromosome meiotic drive.

Because such selfish elements on sex chromosomes can reduce fertility and distort the sex ratio of progeny, unlinked suppressors are expected to evolve, bringing different regions of the genome into conflict over the meiotic genetic conflict and sex chromosome evolution games in Gympie of the sex chromosomes.

Much of the evidence we present consists of detailed molecular and genetic studies of gametogenesis in pure species and interspecific hybrids, which by necessity are restricted to a few intensively studied model organisms. In organisms with separate sexes, parents maximize their fitness by investing equally in both sexes.

Meiotic sex chromosome inactivation. This generates conflict between the X chromosome and the autosomes over the transmission of the sex chromosomes in males, as alleles on the X chromosome favor killing Y-bearing sperm, but alleles on the autosomes favor suppressing this phenotype.

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Особенного genetic conflict and sex chromosome evolution games in Gympie возможностям

Tao Y, et al. Box 1 Figure I. Columbia University Press;

Therefore, if newly created genes have distorting activity, this might contribute to the observed excess of X-linked de novo genes. Author information Copyright and License information Disclaimer. Belknap Press of Harvard University Press; Comparative genomics reveals a constant rate of origination and convergent acquisition of functional retrogenes in Drosophila.

Genetic conflict and sex chromosome evolution games in Gympie

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  • Chromosomal sex determination systems create the opportunity for the evolution of selfish genetic elements that increase the transmission of one sex chromosome at the expense of its homolog. Because such selfish elements on sex chromosomes can reduce fertility and distort the sex ratio of progeny, unlinked suppressors are expected to evolve, bringing different regions of the genome into Cited by: genetic conflict over sex chromosome transmission is an important evolutionary force that has shaped a wide range of seemingly disparate phenomena including the epigenetic regulation of genes expressed in the germline, the distribution of genes in the genome, and the evolution of hybrid sterility between species. Selfish genes and genetic conflictCited by:
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