Are homologies in vertebrate sex determination due to shared ancestry or to limited options?
The same candidate genes and the same autosomes are repeatedly used as sex chromosomes in vertebrates. Are these systems identical by descent, or are some genes or chromosomes intrinsically better at triggering the first steps of sex determination?
Marshall Graves
Jennifer A
JA
Research School of Biology, the Australian National University, Canberra, ACT 0200, Australia. jenny.graves@anu.edu.au
Peichel
Catherine L
CL
D000818:Animals; D019143:Evolution, Molecular; D006801:Humans; D012730:Sex Chromosomes / Q000235:genetics; D019849:Sex Determination Processes; D014714:Vertebrates / Q000235:genetics