Embryos can be altered.Logical formLearned from15 sentences. Embryos can be for research.Logical formLearned from15 sentences. Genetic testing can be constituted-of-or-filled-with embryos.Logical formLearned from15 sentences. Human embryos may undergo a manipulation.Logical formLearned from15 sentences. (Stem cell research) may use embryos.Logical formLearned from15 sentences. A person may have some embryos.Logical formLearned from15 sentences. An embryo may survive.Logical formLearned from15 sentences. Embryos may be destroyed in a process.Logical formLearned from15 sentences. Embryos may survive.Logical formLearned from15 sentences. An embryo can be one-celled.Logical formLearned from15 sentences. Some embryos may wait for a person.Logical formLearned from15 sentences. An embryo can be in an uterus.Logical formLearned from15 sentences. Embryos may undergo a manipulation.Logical formLearned from15 sentences. An embryo may be implanted in an uterus.Logical formLearned from15 sentences. An (embryo transfer) can be fresh.Logical formLearned from15 sentences.