Genes 160 Genetics 106 Nanotechnology 71 History 70 Gene expression 58 Genetic engineering 58 DNA 51 Biotechnology 49 Nanostructured materials 44 Gene mapping 41 History and criticism 39 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 36 Genomics 36 Gene 33 Philosophy 33 Literature 31 Plant Breeding and Genetics 28 RNA 27 Gene therapy 26 Biography 25 Genomes 24 Molecular genetics 24 Chromosomes 23 Proteins 23 genetics 23 GENE 22 Gene Expression Regulation 22 Genome 22 Molecular biology 22 Genetically engineered organisms 21