title: On the number of genes in the mammalian genome.
mesh_terms: D000367:Age Factors; D000818:Animals; D002875:Chromosomes; D005796:Genes; D005838:Genotype; D006801:Humans; D008221:Lymphoid Tissue / Q000502:physiology; D008322:Mammals; D011506:Proteins / Q000502:physiology
chemical_list: D011506:Proteins