chimerism
http://purl.bioontology.org/ontology/MEDDRA/10068051
http://purl.bioontology.org/ontology/MESH/D046528
http://purl.obolibrary.org/obo/NCIT_C62582
https://en.wikipedia.org/wiki/Category:Chimerism
The occurrence in an individual of two or more cell populations of different chromosomal constitutions, derived from different individuals. This contrasts with mosaicism in which the different cell populations are derived from a single individual.
genetic chimerism
chromosomal condition