What is distinctive about new kinship groups created through affinal relationships?
a. they can be traced through consanguine or blood relatives.
b. they are linked through alliance, not through shared biology or common descent.
c. they are distinguished by multiple founding ancestors.

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

Spanish for "estate," this was a type of plantation or other economic activity in spain's "new world" colonies.

Atherapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. she is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. describe the type of parental permission which is required in this case?