title: Sex determination: how worms count to two.
abstract: A century ago, Bridges proposed that male genes on the autosomes and female genes on the X chromosome compete to determine sexual identity. New genetic and molecular studies establish Caenorhabditis elegans as the first animal known to use this mechanism.
authors.affiliation: Department of Molecular Biology, The UMDNJ School of Osteopathic Medicine, B303 Science Center, 2 Medical Center Drive, Stratford, NJ 08084, USA. ron.ellis@umdnj.edu
authors.forename: Ronald E
authors.initials: RE
authors.lastname: Ellis
authors.forename: Xiangmei
authors.initials: X
authors.lastname: Chen
mesh_terms: D000818:Animals; D017173:Caenorhabditis elegans / Q000235:genetics* / Q000254:growth & development*; D002875:Chromosomes / Q000235:genetics*; D005260:Female; D008297:Male; D019849:Sex Determination Processes / Q000235:genetics*; D014960:X Chromosome / Q000235:genetics*