Related by context. Frequent words. (Click for all words.) 64 transgenic mouse 63 pluripotent cells 62 imprinted genes 61 germ cells 61 iPS cell 61 morphologically 61 asexual reproduction 61 pluripotent stem cell 61 fibroblast cells 61 somatic cells 60 rhesus 60 diploid 60 oocytes 59 teratomas 59 mouse embryos 59 mouse embryo 59 multicellular organisms 59 neural cells 59 sexual dimorphism 58 transgenic 58 teratoma 58 progenitor cell 58 genetically identical 58 papillomavirus 58 mice lacking 58 parthenogenesis 58 cells hESCs 58 germline 58 ES cells 58 nematode worms 58 Caenorhabditis elegans 57 blastocyst stage 57 genetically engineered mouse 57 Mammalian 57 somatic cell 57 undifferentiated cells 57 placental mammals 57 hermaphroditic 57 neural stem cell 57 cloned embryos 57 melanogaster 57 iPS 57 mammalian species 57 iPSCs 56 hESCs 56 chimeric 56 unfertilized 56 pluripotent 56 pluripotent stem cells 56 mesenchymal cells 56 unicellular 56 iPS cells 56 myoblasts 56 mammary tumors 56 fibroblast 56 chimeras 56 genetic alteration 56 transgene 56 neuronal cells 56 mitochondrial genome 55 Notch signaling 55 fruit fly Drosophila 55 poxvirus 55 cultured cells 55 transgenic animal 55 developmental abnormalities 55 hES cells 55 rhodopsin 55 gametes 55 zebra fish 55 genetically distinct 55 homolog 55 FLT3 55 unfertilized eggs 55 unfertilized egg 55 embryonic cells 55 testis 55 mammalian 55 aneuploidy 55 gamete 54 induced pluripotent stem iPS 54 protozoan 54 protein fragment 54 induced pluripotent stem cells 54 mutant genes 54 Drosophila melanogaster 54 neural stem cells 54 genomic instability 54 oocyte 54 translocations 54 herpes viruses 54 centrosomes 54 recessive genes 54 oviduct 54 hermaphrodites 54 mesenchymal 54 eukaryotic 54 susceptibility gene 54 homologous recombination 54 genes encoding 54 hepatocyte