Which term best describes a person of mixed ancestry

Multiracial

Explanation:

Multiracial is described as formed up of or linking to people of various communities. Many expressions exist for characters of several multiracial backgrounds. Somebody of multiracial backgrounds proceeds up a meaningful part of the community in various sections of the world. In North America, researches have found that the multiracial community is advancing to develop. In many lands of Latin America and the Caribbean, characters with multiracial credentials make up the preponderance of the community.

Mixed race / multi-racial