Related by context. Frequent words. (Click for all words.) 66 placental mammals 62 evolutionarily conserved 61 subfamily 61 multicellular organisms 61 unicellular 61 eukaryotic 61 amino acid sequences 60 morphologically 60 phylogeny 60 centrosomes 59 phyla 59 homologs 59 angiosperms 59 imprinted genes 59 Caenorhabditis elegans 58 phylogenetic analysis 58 morphogenesis 58 Hox genes 58 phylogenetic tree 58 phylogenetic 58 mammalian brain 58 multicellular 58 taxa 58 transcriptional regulation 57 mitochondrial genome 57 symbiont 57 ribonucleic acid RNA 57 Drosophila melanogaster 57 prokaryotes 57 vertebrate animals 57 homology 57 morphologic 57 morphologies 57 centrosome 57 subcellular 57 introns 57 amino acid sequence 57 eukaryotic cells 56 theropod dinosaurs 56 Archaea 56 heterochromatin 56 clades 56 embryogenesis 56 Xenopus 56 superfamily 56 Supplementary Fig 56 taxon 56 LB1 56 evolutionary origins 56 microRNA expression 55 eukaryotes 55 Fig. 1A 55 mesoderm 55 macroevolution 55 morphological 55 mammalian 55 melanogaster 55 vertebrate 55 micro RNA 55 histone modifications 55 HLA genes 55 otolith 55 sexual dimorphism 55 teratoma 55 cartilaginous 55 cadherin 55 pseudogenes 54 slime molds 54 heterozygosity 54 phylum 54 convergent evolution 54 reproduce asexually 54 ribozyme 54 Ardipithecus 54 tetrapods 54 apoE 54 homologue 54 homolog 54 dynamin 54 comparative genomics 54 microbiome 54 theropod 54 chloroplasts 54 tetrapod 54 FOXP2 54 single celled 54 Tiktaalik 53 genus Homo 53 melanosomes 53 Mitochondrial DNA 53 major histocompatibility complex 53 centromere 53 lineages 53 glycan 53 morphology 53 transcriptome 53 planktonic 53 fruit fly Drosophila 53 olfactory receptors 53 proline 53 allelic