Related by context. Frequent words. (Click for all words.) 63 vertebrate animals 61 reproduce asexually 60 Chlamydomonas 60 multicellular organisms 60 HLA genes 59 prokaryotic 59 coevolution 59 eukaryotic cells 59 hematopoietic cells 59 innate immune 58 mycobacteria 58 neural crest cells 58 placental mammals 58 prokaryotes 58 gut microbes 58 methylation patterns 58 Indohyus 58 unicellular 58 nanobacteria 57 flatworms 57 neural crest 57 defensins 57 neuronal cells 57 Firmicutes 56 nematode worms 56 mammalian species 56 parasitized 56 contagious yawning 56 Wolbachia 56 Helicobacter 56 mammalian brain 55 metabolically active 55 photosynthetic organisms 55 subcellular 55 Methylmercury 55 regulate gene expression 55 mammals 55 neural tissue 55 C. albicans 55 evolutionarily conserved 55 Saturated fats 55 antimicrobial peptides 55 evolutionary origins 55 crocodilians 55 morphologically 55 Caenorhabditis elegans 55 phyla 55 developmental abnormalities 55 EphA2 55 Neu5Gc 55 nonhuman primates 54 fibroblast cells 54 macroevolution 54 Toxoplasma gondii 54 histone modifications 54 mammalian 54 Xenopus 54 embryogenesis 54 apoE 54 echinoderms 54 asexual reproduction 54 biogenesis 54 microbiota 54 Sertoli cells 54 imprinted genes 54 melanosomes 54 irreducibly complex 54 cone snails 54 sexual dimorphism 54 microevolution 54 tumor suppressor protein 54 morphogenesis 54 embryonic stem ES 53 hematopoiesis 53 Mammalian 53 epithelia 53 mutant proteins 53 T. gondii 53 phagocytosis 53 somatic cells 53 symbionts 53 nonhuman primate 53 infectious prions 53 olfactory receptors 53 phosphatases 53 medullary bone 53 overexpressing 53 zooxanthellae 53 microglial cells 53 downregulated 53 melanopsin 53 gut microbiota 53 circadian clocks 53 Treg cells 53 mammalian genomes 53 Bt toxin 53 multicellular 53 neuromuscular junction 53 bifidobacteria 53 commensal 53 angiosperms