sex determination in zebrafish?

christopher kores rodesch crodesch at
Thu Dec 8 18:13:28 EST 1994

	I am interested in how organisms determine their sex during
development. I am familiar with Drosophila and C. elegans sex determination
mechanisms but have not seen an reference to zebrafish literature. Do 
zebrafish have heterogametic (XX, XY) sex chromosomes? Is their sex 
determination mechanism genetic or environmental? Any information 
concerning the process of sex determination in the soma or germline of 
zebrafish would be greatly appreciated. 
	Thanks in advance,
	Chris Rodesch
	Dept. of Biological Sci. Rm 138
	University of Iowa
	Iowa City,IA
	e-mail: crodesch at

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