Question about biological similarity in groups/ genetic similarity theory

[Stefan1]

Dear all,

We are currently working on a paper about chronotype diversity in workgroups and how it affects group performance. In this context we explore the consequences of difference/similarity in biological attributes among group members (hormonal, genetic, neurological, physiological etc.) on group performance. We would like to base our argumentation on some existing theoretical work that looks at biological diversity/similarity in groups. For example, is there any theory that looks at how similarity or diversity in biological rhythms or hormone levels or any other biological attributes among members of a group is beneficial for collaborative group outcomes/performance such as hunting, warfare, etc.? So far we only found genetic similarity theory (Rushton et al., 1984). I would be very grateful if anybody could point me to relevant work in this area.

Many thanks,
Stefan