A controversy can be over destroying embryos.Logical formLearned from11 sentences. Human embryos can be spare.Logical formLearned from11 sentences. Human embryos may undergo a donation.Logical formLearned from11 sentences. Some embryos may be frozen.Logical formLearned from11 sentences. Embryos can be for characteristics.Logical formLearned from11 sentences. Embryos may pertain-to a male.Logical formLearned from11 sentences. Embryos may undergo handling.Logical formLearned from11 sentences. An embryo may pertain-to a seed.Logical formLearned from11 sentences. A size may pertain-to an embryo.Logical formLearned from11 sentences. A person may use embryos.Logical formLearned from11 sentences. Embryos can be for biomedical research.Logical formLearned from11 sentences. Embryos may be used in research.Logical formLearned from11 sentences. A human embryo can be through cloning.Logical formLearned from11 sentences. Embryos may grow.Logical formLearned from11 sentences. An embryo can be a life.Logical formLearned from11 sentences.