Literally meaning: different form
Origin: Anc Greek
έτερος/heteros(=different, other, next)
πλάσμα (noun)/ plasma(=something formed or molded, an idol) > πλάσσω/plasso(=create, form, mold).
Heteroplasmy is the presence of a mixture of more than one type of of mitochondrial DNA (mtDNA) meaning that only more than one mitochondrial DNA sequence present.