Bob, Interesting thought, hormones actually do turn on/off certain genes. It has been studied well with humans. I have wondered what the hormones used with fish to get the best color does to sex ratio's etc. Any local ichthyologists out there on the list??? Kathy On Sat, 8 Apr 2000 IDMiamiBob@aol.com wrote: > In a message dated 4/6/00 11:27:00 PM Mountain Daylight Time, > jsmelgar@compuserve.com writes: > > > Singapore and Czechoslovakia. Aren't both known to use hormones? Couldn't > > be that systematic use of hormones may have an effect on parental care?. > > Systematic use of hormones may have an affect on specific chromosomes or > specific genes. This in turn may affect specific instintual behaviors. > > Bob Dixon > > > ------------------------------------------------------------------------- > This is the apistogramma mailing list, apisto@listbox.com. > For instructions on how to subscribe or unsubscribe or get help, > email apisto-request@listbox.com. > Search http://altavista.digital.com for "Apistogramma Mailing List Archives"! > ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!