Cole's grandfather has just moved in with his family. Now, in addition to his mother and step-father, he and his sister share their home with their newly widowed grandfather. What do sociologists call this kind of family arrangement?

A) a nuclear family
B) a polymorphous family
C) an extended family
D) an ambiguous family

Extended Family

An extended family includes not just parents and their children but also other relatives such as grandparents, aunts, uncles, and cousins living together or maintaining close relationships.

Nuclear Family

A family unit consisting of two parents and their children living in one household, considered the traditional family structure.

Polymorphous Family

A family structure that does not conform to traditional norms, encompassing a variety of forms and relationships.