Extreme heterogeneity in intercourse chromosome dosage and differentiation settlement in livebearers

Extreme heterogeneity in intercourse chromosome dosage and differentiation settlement in livebearers

Edited by David M. Hillis, The University of Texas at Austin, Austin, TX, and authorized August 6, 2019 (gotten for review April 1, 2019)

Importance

Morphologically and chromosomes have actually repeatedly developed throughout the tree of life. Nevertheless, the level of differentiation amongst the intercourse chromosomes differs considerably across species. The Y chromosome gene activity decays, leaving genes on the sex chromosomes reduced to a single functional copy in males as sex chromosomes diverge.