A issue that is special of (ISSN 2073-4425). This unique problem belongs towards the area “Population and Evolutionary Genetics and Genomics”.
Unique Problem Information
Intercourse chromosomes represent a component that is specialized of genome. They perform a crucial part in basal procedures such as for example intercourse dedication, but are additionally usually associated with emergent evolutionary phenomena such as for instance speciation. exactly just How intercourse chromosomes are created, mature and perish is a significant concern in modern evolutionary biology. Intercourse chromosomes are considered to evolve from a regular couple of autosomes, originating whenever an autosome set acquires a sex-determining function. Just exactly exactly How and just why this transition takes place continues to be mainly unknown. Intercourse chromosomes undergo many modifications, such as for instance recombination suppression, degeneration by accumulation of repeated DNA and transposons, dosage compensation to balance the gene services and products of degenerated genes, and gene trafficking to and off their chromosomes. This usually yields a couple of highly-differentiated chromosomes, one of which exhibits the decay that is extensive of late-stage intercourse chromosomes. Fundamentally, this decrepit chromosome might even be lost, leading to women and men having various variety of chromosomes. Much stays to be found concerning the processes that shape sex chromosomes, nevertheless the revolution in genomics, transcriptomics as well as other technologies that are related us to review the development of sex chromosomes in unprecedented detail. This problem will deal with questions about the lifecycle of intercourse chromosomes across various groups that are organismal. < Continue reading Special Issue “The Evolutionary Life Cycle of Sex Chromosomes”