circular auto sex NCBI UCSC Ensembl F T F I chrI I F T F II chrII II F T F III chrIII III F T F IV chrIV IV F T F V chrV V F T F VI chrVI VI F T F VII chrVII VII F T F VIII chrVIII VIII F T F IX chrIX IX F T F X chrX X F T F XI chrXI XI F T F XII chrXII XII F T F XIII chrXIII XIII F T F XIV chrXIV XIV F T F XV chrXV XV F T F XVI chrXVI XVI T F F MT chrM Mito T F T 2uM 2micron NA