Dr. Cynthia Chappell presents the first part of the Science of Sexual Orientation by covering the debate over nature vs nurture and biological diversity. She discusses old studies that were proven wrong yet are still used by anti-gay groups to create the impression that homosexuality can be cured. People are born with their sexuality and gender identity intact.
Dr. Cynthia Chappell's second presentation to PFLAG Houston on the Science of Sexual Orientation. She covers Family Studies, Twin Studies, Genes and Chromosomes, topics that lead up to the third and final presentation.