Ngun and his colleagues have followed up previous research that found that gay brothers share a sequence of five genetic markers in the region of the X chromosome, reports New Scientist. Working at University College Los Angeles’ Center for Gender-Based Biology, postdoctoral scholar Tuck C. The lead researcher, who is gay, is so concerned about the possible consequences of the research that he has now decided to not pursue it further.
Researchers have revealed details of a saliva test that has enabled them to predict the sexual orientation of sets of male twins with 67% accuracy.
