Related by context. Frequent words. (Click for all words.) 54 Neanderthal DNA 52 genomic sequence 51 thylacine 51 Mitalipov 50 zebra finch 50 transplanted stem cells 50 mouse embryos 50 Tasmanian tiger 50 synthetic genome 50 FOXP2 49 fossilization 49 melanosomes 49 vocalisations 49 imprinted genes 49 lysozyme 49 Mitochondrial DNA 49 mutant strains 48 iPSCs 48 platypuses 48 chimeric 48 prion proteins 48 placental mammals 48 intestinal tissue 48 DNA 48 coprolites 48 collagen fibers 48 vertebrate animals 48 primate evolution 48 genomic sequences 47 wooly mammoth 47 transposon 47 introns 47 Cerling 47 mammalian species 47 spermatozoa 47 genetically modified mice 47 microfossils 46 genetically altered mice 46 mouse embryo 46 phylogenetic analysis 46 Bt toxin 46 mtDNA 46 gene sequences 46 pluripotent cells 46 oocyte 46 Embryonic 46 vitro experiments 46 embryogenesis 46 heterochromatin 45 rhesus macaque 45 hadrosaur 45 poxvirus 45 virions 45 arsenate 45 gut microbes 45 feathered dinosaurs 45 Tiktaalik 45 zebrafish embryos 45 evolutionary origins 45 ribonucleic acid RNA 45 DNAs 45 pancreases 45 dna 45 Adult stem cells 45 ribozyme 45 chimeras 45 centrosomes 45 stickleback 45 Neandertal 45 macroevolution 45 mutant genes 45 T. gondii 44 extinct species 44 spermatogenesis 44 Poinar 44 ES cells 44 isotope ratios 44 genetic alteration 44 fibroblast cells 44 diabetic mice 44 irreducibly complex 44 mammalian 44 centrosome 44 protein fragment 44 glycan 44 theropod 44 mammalian brain 44 diploid 44 mitochondrial genome 44 fragments 44 regrowing 44 mitochondrial DNA 44 testicular tissue 44 cDNA 44 oocytes 44 amino acid sequences 44 retrovirus 44 Embryos 44 naturally occurring peptide 44 myoblasts 44 phytate