Related by context. Frequent words. (Click for all words.) 52 transfer SCNT 52 chickens pigs 51 frozen thawed 51 extract stem cells 50 zygotes 50 cloned pigs 50 triploid 50 Prometea 50 Embryos 50 Xenopus 49 Cloned 49 stem cells harvested 49 cloned embryos 49 embryos 48 elk bison 48 fertilize eggs 48 Embryo 48 cloning embryos 48 gamete 48 neural crest cells 47 germline stem cells 47 embryo 47 intracytoplasmic sperm injection ICSI 47 placental tissue 47 oviduct 47 jungle fowl 47 cryopreserved 47 unfertilized eggs 47 oocytes 47 yolk sac 47 Thoroughly cooking 47 Artificial insemination 47 Translocation 46 somatic cell 46 cloned embryo 46 gonadal 46 eggs fertilized 46 embryological 46 invitro fertilization 46 reproduce asexually 46 inseminating 46 herdmates 46 nonhuman primate 45 cows sheep goats 45 aurochs 45 gametes 45 blastomeres 45 fertilized embryo 45 cloned 45 opsin 45 congenital disorders 45 transgenic mouse 45 IVF ICSI 45 bison elk 45 unfertilized 45 stem cells extracted 45 unspecialized 45 mesenchymal stem cells MSCs 45 prematurely abort 44 Nayernia 44 ovules 44 mottled brown 44 somatic cells 44 chimeric 44 Vertebrate 44 rhesus 44 frozen semen 44 Foetal 44 spermatozoa 44 veal crates 44 featherless 44 sheeps 44 fertilized embryos 44 engrafted 44 developmental abnormalities 44 SCNT 44 genetically manipulated 44 fetal tissue 43 frozen embryo 43 intracytoplasmic sperm injection 43 chimeras 43 embryonic 43 IVF embryos 43 amphibians reptiles 43 facilitates umbilical cord 43 chimpanzees gorillas 43 neural crest 43 sexed semen 43 unfertilized egg 43 chickens ducks geese 43 gestational surrogacy 43 embryonic cloning 43 blastocyst stage 43 cloned cattle 43 piebald 43 bushy tails 43 transgenic 43 artificially inseminate 43 camelids 43 Genetically Engineered 43 sheep goats