Extreme heterogeneity in intercourse chromosome dosage and differentiation settlement in livebearers Importance Morphologically and chromosomes have actually over and over developed over the tree of life. Nonetheless, the degree of differentiation involving the intercourse chromosomes differs considerably across types. The Y chromosome gene activity decays, leaving genes on the sex chromosomes reduced to a single functional copy in males as sex chromosomes diverge. Mechanisms have actually developed to pay with this…