In June 007, they announced that they used mouse skin cells to cultivate induced pluripotent stem cells, which can produce all cells in the body, including eggs and sperm, with the same efficacy as embryonic stem cells.11 of the same year In January, two groups reported again that they had successfully cultured induced pluripotent stem cells from human skin cells, as the study addressed the ethical issues facing the Embryonic Stem Cell Institute. which of the following can't be concluded from this? ['using human skin cells to imitate embryonic stem cells.', 'the science and policy of stem cell research will be completely changed in the future.', 'will open up new directions for biomedical research in the future.', 'Ethical issues have little to do with the direction of biomedical research.']