Bdelloid rotifers have been veiled in mystery for decades. Despite extensive studies of this class of tiny freshwater invertebrates, no one has observed any trace...


Male Drosophila fruit flies perform an elaborate ritual when they court a female. The male first turns towards the female, follows her, taps her, vibrates...


Laboratory zebrafish hide a dirty little secret. Although the tiny fish have proven to be a vital model of vertebrate development and disease genetics, zebrafish...


One of the major risk factors for autoimmune diseases is being born with two copies of the X chromosome. For example, women—who typically carry two...


The Fragile Y

June 18, 2014

Y chromosomes have come and gone many times during evolutionary history. Take beetles. When Heath Blackmon and Jeff Demuth modeled sex chromosome evolution in more than...