Original sentence: More significantly, expectations regarding (for example) display of emotion continue throughout one's entire life in these cultures.Social "gender" characteristics are created and supported by the expectations of a culture, and are therefore not or only partially related to biological sex
Edited sentence: Some people believe that social "gender" characteristics are created and supported by the expectations of a culture, and are therefore not or only partially related to biological sex.They argue that, more significantly, expectations regarding (for example) display of emotion continue throughout one's entire life in these cultures