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Gay o etero? Decide il Dna: scoperte quattro varianti genetiche che influenzano le scelte - Tiscali Notizie
Scientists find DNA differences between gay men and their straight twin brothers - Los Angeles Times
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Gay Journal: Gay dna. A lovely gift idea to our beloved gay in the family and friends. ( Use as your Notebook, Diary, Scrapbook and etc ): Notebook, Gay: 9781658065573: Amazon.com: Books
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