We are pleased to announce that Jonathan Hodgkin, PhD is the 2017 recipient of the Edward Novitski Prize in recognition of his extraordinary creativity and...


Sex chromosomes have evolved from autosomes hundreds of times across the tree of life. In mammals, sex is controlled by the Y chromosome-linked gene SRY,...


At the time of her death in 1912, Nettie Maria Stevens was a biologist of enough repute to be eulogized in the journal Science by...


When sharp-eyed 20-year-old Calvin Bridges entered Columbia University in 1909, the word “gene” had just been coined. At that time, the term was profoundly abstract,...


A vast number of species depend on sexual reproduction for survival. Sex facilitates adaptation and rids populations of deleterious mutations. Despite the benefits of this...


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...