Genetics is the study of single gene and genomics is the study of the all genes in the genome. Genomics includes Functional genomics, Structural genomics, Comparative genomics, Epigenomics, Pharmacogenomics. Genomics examines the function and structure of genomes and also examines the all genes and their inter relationships in growth and development of the organism. The open access journals are peer reviewed scholarly journals of International Journal of Genomic Medicine. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles.