Final answer:
Sexual practices and attitudes are culturally specific, with biological factors playing a lesser role in behavioral differences. Societies have a variety of norms regarding sexuality, though some, like the incest taboo, are universal with variations.
Step-by-step explanation:
Comparative research indicates that sexual practices vary from place to place as an element of the culture, while having a biological foundation as well. Sociologists and anthropologists have documented that sexual attitudes and practices are subject to cultural interpretation and norms, and certain behaviors such as the incest taboo are universally considered unacceptable although the details vary. For instance, Scandinavian countries tend to be more tolerant of premarital sex compared to the United States, which tends to have more conservative sexual attitudes. Furthermore, research has pointed out that biological differences in humans may not lead to significant behavioral differences, hinting at the immense influence of social and cultural factors in shaping sexual behaviors and attitudes.