An embryo can be spare.Logical formLearned from17 sentences. (Stem cells) may be harvested from embryos.Logical formLearned from17 sentences. Embryos can be unclaimed.Logical formLearned from17 sentences. An embryo may grow.Logical formLearned from17 sentences. Some embryos may be transferred.Logical formLearned from17 sentences. Human embryos may be intended.Logical formLearned from17 sentences. Embryos may have an ability.Logical formLearned from16 sentences. Embryos may exhaust a supply of yolk.Logical formLearned from16 sentences. Embryos can be identical.Logical formLearned from16 sentences. Layers may pertain-to an embryo.Logical formLearned from16 sentences. A switch can be in (fruit fly embryos).Logical formLearned from16 sentences. A center may pertain-to an embryo.Logical formLearned from16 sentences. An embryo may undergo an elongation.Logical formLearned from16 sentences. An (embryo research) can be funded.Logical formLearned from16 sentences. An embryo can be at a stage.Logical formLearned from16 sentences.