Jewishfeminist,
I did not mean to suggest that the dominant partners in prisons should be categorized as homosexual. On the contrary, they are heterosexuals who using other men as an outlet for their sexual desires because there are no women around. I agree that they are not “becoming” homosexual. I just meant to counter your point that these occurences don’t have anything to do with sexual desire.
HaKatan,
The percentages are higher for identical twins than fraternal twins.