mosaicism

[ moh-zey-uh-siz-uh m ]
/ moʊˈzeɪ əˌsɪz əm /

noun Biology.

a condition in which an organism or part is composed of two or more genetically distinct tissues owing to experimental manipulation or to faulty distribution of genetic material during mitosis.

Origin of mosaicism

First recorded in 1925–30; mosaic + -ism

Medical definitions for mosaicism

mosaicism
[ mō-zāĭ-sĭz′əm ]

n.

A condition in which tissues of genetically different types occur in the same organism.