one word for racial discrimination

Support or prejudice for or against one person or group, especially in a way considered to be unfair.

the study and tracing of lines of descent/ancestry via DNA

suggested but not communicated directly

Synonym: variety

the fact of having and expressing strong,  Unreasonable beliefs and disliking other people  who have different beliefs or a different way of life

Synonym: combine/join

the state of being equal, especially in status, rights, or opportunities.

Antonym: loosely

the quality of being fair and impartial.