Learning from genetic fossils on the Y chromosome Wilson SayresMelissa D. MakovaKateryna 2013 <p>Mammalian X and Y evolved from a pair of homologous autosomes. In the absence of X-Y recombination, caused by a series of inversions on the Y chromosome, the Y lost much of its gene content. Are some types of genes more likely to be lost? Is it possible to predict the fate of Y-linked genes?</p>