hi im a third year psychology student studying the possibility of a genetic influence of male homosexuality. i need as many gay men as possible to fill in a simple questionnaire which takes no longer than 10 mins. this can be sent to any volunteers via email. if you would like to help then please email me at:- claireorrells93@hotmail.com thank you very much claire orrells
I can't remember the specific articles but I have read somework on the effects of hormones on sex prefrence. If it is caused by hormones(either during development or later in life) it could be caused by either environmental factors or the genetics of the particular person(or in the case of development, their mother) amoung many other things. Try a scholarly journal search, I know I saw the results of some studies on it.