Answer:
Undifferentiated cells which can be converted in any cell type as per need of the body. They originate form embryos and body tissues; like stem cells derived form skin, bone marrow, blood etc. stem cells controversy discusses the ethical boundaries in using stem cells or human embryos. retrieving embryos from the maternal body and using them for stem cell genesis is considered unethical according to most school of thoughts. But, nowadays scientists are shifting towards pluripotent stem cells. using stem cells in research can be very useful as nowadays many therapies include stem cells, like bone marrow transplant. moreover, using embryonic stem cells we can understand how an embryo develops, crossing various stages like fetus, and developing into an organism.
Explanation:
Undifferentiated cells which can be converted in any cell type as per need of the body. They originate form embryos and body tissues; like stem cells derived form skin, bone marrow, blood etc. stem cells controversy discusses the ethical boundaries in using stem cells or human embryos. retrieving embryos from the maternal body and using them for stem cell genesis is considered unethical according to most school of thoughts. But, nowadays scientists are shifting towards pluripotent stem cells. using stem cells in research can be very useful as nowadays many therapies include stem cells, like bone marrow transplant. moreover, using embryonic stem cells we can understand how an embryo develops, crossing various stages like fetus, and developing into an organism.
