Related by context. Frequent words. (Click for all words.) 73 human cloning 66 therapeutic cloning 61 cloning 59 human embryos 58 embryonic stem cell 58 stem cell research 58 cloned embryos 53 embryo 53 embryos 52 assisted reproduction 51 embryonic stem cells 51 Cloning 50 Stem Cell Research 49 assisted reproductive 49 stem cell therapies 48 stem cell 48 human embryonic stem 47 commercial whaling 47 unborn babies 47 HFEA 47 embryonic cells 46 genetically modified crops 45 Stem cell 45 cloned animals 45 PGD 45 adult stem cell 45 vitro fertilization 45 genetic modification 45 unborn 44 bioethics 44 abortions 44 adult stem cells 44 euthanasia 44 assisted suicide 44 organ transplantation 44 biomedical research 44 stem cells derived 43 genetic manipulation 43 fertility clinics 43 abortion 43 Bioethics 43 gay marriage 43 partial birth 43 Human Fertilisation 43 IVF 43 organ transplants 43 criminalize 43 sex marriage 43 stem cells 43 sex marriages 42 Euthanasia 42 ethicists 42 infertile couples 42 fertility treatments 42 biotech crops 42 regenerative medicine 42 genetically engineered crops 42 terminate pregnancy 41 stem cell therapy 41 bottom trawling 41 genetically modified 41 iPS cells 41 legalized abortion 41 gay marriages 41 GMOs 41 genetically modified foods 41 frozen embryos 41 reimportation 41 Abortion 41 eugenics 41 genetically modified organisms 40 vitro fertilization IVF 40 surrogacy 40 civil unions 40 synthetic biology 40 legalizing gay marriage 40 embryonic 40 gene therapy 40 trimester abortions 40 fertilized egg 40 transgenic 40 decriminalization 40 personhood 40 genetically engineered 39 scientific whaling 39 cloned 39 infanticide 39 incest 39 artificial insemination 39 homosexual couples 39 decriminalizing 39 genetically modified GM 39 bone marrow transplantation 39 incurable diseases 39 criminalizing 39 surrogate mothers 39 Stem Cell 39 morally acceptable 39 fertilized eggs 39 pro lifers 38 constitutional amendment