Some researchers in the US have indicated that there may be a “predictive model” for determining if someone is gay just by looking at their genes. They studied 47 sets of male twins – some were both homosexual, but most had one straight brother, and watched their epigenetic changes. Their research “suggested that patterns of methylation in nine regions were associated with sexual orientation with 67 percent of the time.”
Read the full story here on NBC News.
Do you know any homosexual twins?