Related by context. Frequent words. (Click for all words.) 57 Borrelia burgdorferi 55 simian immunodeficiency virus 55 Anopheles gambiae 55 subfamily 55 coevolution 54 pseudogenes 54 Rickettsia 53 staphylococci 53 kipunji 53 elegans 53 Plasmodium vivax 53 peccary 53 Toxoplasma gondii 53 eukaryotic 53 autosomal 52 morphologically 52 evolutionarily conserved 52 Streptomyces 52 mammalian 52 fruitflies 51 placental mammals 51 S. cerevisiae 51 clades 51 rDNA 51 homo erectus 51 Penicillium 51 transmissible spongiform encephalopathies 51 mosasaurs 50 simian virus 50 sapiens 50 echidnas 50 vertebrate animals 50 protozoan 50 Enterobacteriaceae 50 americanus 50 homologs 50 phylogenetic analysis 50 phylogenetic tree 49 Bartonella 49 teosinte 49 Mammalian 49 Neisseria meningitidis 49 amino acid sequences 49 nucleotide sequence 49 mammalian genomes 49 saddleback 49 P. falciparum 49 chimeric 49 neural crest 49 mitochondrial genome 49 nonhuman primate 49 systematics 49 sexual dimorphism 48 Volvox 48 taxon 48 taxa 48 nematode worms 48 homologous 48 nonhuman primates 48 haplotype 48 arthropod 48 Xenopus 48 flatworm 48 clade 48 phylogeny 48 fruit fly Drosophila 48 Arabidopsis thaliana 48 haplogroup 48 rhesus 48 H. sapiens 48 distinct subspecies 48 superfamily 48 nigra 48 mtDNA 47 Chlamydomonas 47 diploid 47 platypuses 47 SARS CoV 47 Ardipithecus ramidus 47 Solanum 47 herpes viruses 47 lineages 47 sociobiology 47 spp 47 Anopheles 47 lowland gorillas 47 anteaters 47 echinoderms 47 giant tortoise 47 aye aye 47 gaur 47 protists 47 phylum 47 T. gondii 47 monkeys apes 47 Frans de Waal 47 MHC genes 47 duiker 47 mammalian species 47 coding sequences 46 primate species