Related by context. Frequent words. (Click for all words.) 36 clones 31 beasties 30 rabbits 29 progeny 29 genetically engineered 29 mice 29 genetically altered 27 fertilized eggs 27 chimera 27 knockout mice 27 mutant 27 genetically identical 26 cloning 26 viruses 26 clone 26 ES cells 26 cloned 26 varieties 26 transgenic 26 mutants 25 embryos 25 genetically 25 cloned embryos 25 bovine 24 stem cells 24 purebred 24 embryo 24 human embryos 24 Clones 24 insulin producing 24 zombie 23 cyborg 23 monsters 23 Frankenstein monster 23 offspring 23 iPS cells 23 mutated 23 genetically modified 23 zombies 22 reproduce 22 Frankenstein 22 progenitor 22 doppelganger 22 imitators 21 genetic modification 21 embryonic stem cells 21 islet cells 21 monoculture 21 sequels 20 cloned animals 20 progenitors 20 genetically modified crops 20 remakes 20 Terminators 20 androids 20 imitations 19 embryonic cells 19 wannabes 19 neural stem cells 19 Cloning 19 humans 19 iterations 19 look alikes 19 oocytes 19 reproductive cloning 19 copycats 18 interbreeding 18 traits 18 Cylons 18 inbred 18 automaton 17 lookalikes 17 droids 17 copycat 17 monstrosities 17 asexual 17 Clone 17 duplicates 16 knockoff 16 variants 16 knockoffs 16 imitator 16 Mutant 16 virtually indistinguishable 16 automatons 16 genetically modified organisms 15 GMOs 15 bioengineered 15 bots 14 android 14 memes 14 sidekicks 14 sentient 14 unmodified 13 incarnations 13 humanoid 12 ilk 11 versions 10 indistinguishable 9 models 6 avatars