Option B, The human genome is the genome ie the DNA sequence contained in 23 pairs of chromosomes is not identical in all humans, the 23 pairs, 22 are autosomal chromosomes and a sex-determining pair (two female Xen chromosomes, and an X and Y in males). The DNA sequence forming the human genome contains the coded information necessary for the highly coordinated and environmentally adaptable expression of the human proteome, ie, of the human proteins as a whole.