Genetics of sexual and social attitudes in twins.
D000293:Adolescent; D000328:Adult; D001290:Attitude; D005260:Female; D014644:Genetic Variation; D005823:Genetics; D006801:Humans; D007989:Libido; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D011594:Psychometrics; D012737:Sex Factors; D012725:Sexual Behavior; D012919:Social Behavior; D012931:Social Environment; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic