Furthermore , there is fairly rapid turnover of mitochondria .
A mitochondrion with MT - COI - mutated chromosomes and a positive selection bias could shortly become the major type of mitochondrion in a cell .
Furthermore , there is fairly rapid turnover of mitochondria , so that a mitochondrion with MT - COI - mutated chromosomes and a positive selection bias could shortly become the major type of mitochondrion in a cell .