In the west, descent groups are nonlocalized and non-exogamous, based on a common patrilineal ancestor.
The other major system that Polynesians used to organize descent groups is known as the descent line.
Descent groups are formed by female connections, and these groups determine social and familial relations, to the extent that fathers may be less involved with their own children than with their sisters' children.
We wished to investigate the genetic structure of the Kuwaiti Bedouin and consider how they compare with neighboring populations, what the genetic consequences of their traditional lifestyle might be, and whether the social lineages that identify their descent groups are also reflected in their genetic lineages.
In the present study, the 'African descent' group was based on comparable backgrounds and the children were relatively young.
The largest non-European descent group is African American (n = 11,166), consistent with Davidson County, Tennessee population characteristics based on the 2010 US Census.
Rights over land are held jointly by descent groups and are vested in a titleholder.
Like many cities in the U.S. and Europe, recent immigrants in our setting are most often of South Asian, East Asian, or African descent, groups that are particularly susceptible to the development of diabetes (7, 29).
Whether the focus of preventive interventions on persons in lower socioeconomic positions is also relevant among the South Asian and African descent ethnic minority groups is less clear.
Because reptiles and synapsids (including mammals) are two separate lines of descent, the link between the groups is the common ancestor they share (just as you and your cousin are linked by being descendants of your grandparents).
