Definitions for "Genetic mosaic"
a creature whose body is built of a mixture of cells of two or
an individual whose body is built of a mixture of cells of two or more different genotypes
Relating to 1)genetiecs;2) otogeny. The juxtaposition in an organism of genetically different tissues, resulting from somatic mutation, an anomaly of chromosome division resulting in two or more types of cells containing different numbers of chromosomes.