A unique dilemma of Genes (ISSN 2073-4425). This unique problem belongs into the part “Population and Evolutionary Genetics and Genomics”.
Unique Problem Information
Intercourse chromosomes represent a specific part of the genome. They perform a crucial part in basal procedures such as for instance sex dedication, but are additionally usually tangled up in emergent evolutionary phenomena such as for example speciation. just just How intercourse chromosomes are created, mature and die is a significant concern in modern biology that is evolutionary. Intercourse chromosomes are thought to evolve from a typical couple of autosomes, originating whenever an autosome set acquires a sex-determining function. exactly 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 payment to balance the gene items of degenerated genes, and gene trafficking to and off their chromosomes. This usually yields a couple of highly-differentiated chromosomes, certainly one of which exhibits the considerable decay attribute of late-stage intercourse chromosomes. Sooner or later, this decrepit chromosome might even be lost, leading to women and men having various amounts of chromosomes. Much remains to be found in regards to the processes that shape sex chromosomes, nevertheless the revolution in genomics, transcriptomics along with other relevant technologies permits us to review the development of sex chromosomes in unprecedented information. This matter will address questions regarding the lifecycle of intercourse chromosomes across various groups that are organismal. < Continue reading “Special Issue “The Evolutionary Life Cycle of Sex Chromosomes””