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Special Issue "The Evolutionary Life Cycle of Sex Chromosomes"

A unique problem of Genes (ISSN 2073-4425). This issue that is special into the part "Population and Evolutionary Genetics and Genomics".

Unique Problem Information

Intercourse chromosomes represent a specific part of the genome. They perform a role that is important basal procedures such as for example sex dedication, but are additionally usually tangled up in emergent evolutionary phenomena such as for instance speciation. just just How intercourse chromosomes are created, mature and perish is an important concern in modern evolutionary biology. Intercourse chromosomes are thought to evolve from a typical couple of autosomes http://mail-order-bride.net/mexican-brides/, originating whenever an autosome set acquires a function that is sex-determining. Exactly just just How and exactly why this change happens stays mainly unknown. Intercourse chromosomes undergo numerous modifications, such as for example recombination suppression, degeneration by accumulation of repeated DNA and transposons, dosage settlement to balance the gene services and products of degenerated genes, and gene trafficking to and off their chromosomes. This frequently yields a couple of highly-differentiated chromosomes, one of which exhibits the substantial decay characteristic of late-stage intercourse chromosomes. Ultimately, this decrepit chromosome could even be lost, causing men and women having various amounts of chromosomes. Much stays to be found concerning the processes that shape sex chromosomes, nevertheless the revolution in genomics, transcriptomics along with other technologies that are related us to examine the development of intercourse chromosomes in unprecedented information. this problem will deal with questions regarding the lifecycle of intercourse chromosomes across various groups that are organismal. <