Related by context. Frequent words. (Click for all words.) 66 neural crest cells 63 histone modifications 63 chromatin structure 63 methylation patterns 62 morphogenesis 61 Hox genes 61 genetic manipulations 61 placental mammals 61 neural crest 61 macroevolution 61 microbiome 61 conformational changes 60 morphologic 60 RNA splicing 60 ribozyme 60 mammalian brain 60 morphologies 60 primate evolution 60 embryogenesis 59 multicellular organisms 59 nanobacteria 59 morphologically 59 gut microbiota 59 microevolution 59 mesoderm 59 fossilization 58 epigenetic marks 58 mutant proteins 58 Notch signaling 58 prokaryotes 58 microstructural 57 biologically relevant 57 eukaryotic cells 57 teratoma 57 biogenesis 57 convergent evolution 57 RNA sequences 57 evolutionarily conserved 57 neural cells 57 collagen fibers 57 pathophysiological 57 biochemical mechanisms 57 germ cells 57 polymerases 57 biochemically 57 Xenopus 57 vertebrate animals 57 centromeres 57 gene amplification 56 amyloid deposits 56 biochemical processes 56 circadian clocks 56 Scientifically speaking 56 oviduct 56 synapse formation 56 ciliary 56 oscillatory 56 Caenorhabditis elegans 56 cell signaling pathways 56 nucleotide sequence 56 germline 56 herpes viruses 56 basal cells 56 mammalian genomes 56 irreducible complexity 56 irreducibly complex 56 evolutionary origins 56 nematode worms 56 imprinted genes 56 amyloid fibrils 56 HLA genes 56 sexual dimorphism 56 microRNA expression 56 microscopy techniques 56 genetic alterations 56 transcriptional regulation 56 karyotype 56 mechanistically 56 ribonucleic acid RNA 55 Evolutionary biologists 55 DNA helix 55 biochemical pathways 55 amino acid sequences 55 AMPA receptors 55 spermatogenesis 55 iPSC 55 mesenchymal cells 55 malignant transformation 55 hematopoietic cells 55 Helicobacter 55 epigenome 55 telomere shortening 55 autosomal 55 hypotheses 55 neuromuscular junction 55 PTEN gene 55 mammary gland 55 undifferentiated cells 55 hematopoiesis 55 centrosomes 55 myelination