Madonna's 12th studio album title has been revealed: M.D.N.A.
MDNA: Madonna + DNA.
MDNA: Madonna + DNA.
MDNA: M(a)D(o)N(n)A
MDNA: Mitochondrial DNA can be regarded as the smallest chromosome, and was the first significant part of the human genome to be sequenced. In most species, including humans, mDNA is inherited solely from the mother.