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Human cloning. Human cloning is the creation of a genetically identical copy of a human. The term is generally used to refer to artificial human cloning, which is the reproduction of human cells and tissue. It does not refer to the natural conception and delivery of identical twins. The possibilities of human cloning have raised controversies.
Therapeutic cloning would involve cloning cells from a human for use in medicine and transplants, and is an active area of research, but is not in medical practice anywhere in the world, as of 2024. Two common methods of therapeutic cloning that are being researched are somatic-cell nuclear transfer and, more recently, pluripotent stem cell ...
Ethics of cloning. In bioethics, the ethics of cloning concerns the ethical positions on the practice and possibilities of cloning, especially of humans. While many of these views are religious in origin, some of the questions raised are faced by secular perspectives as well. Perspectives on human cloning are theoretical, as human therapeutic ...
The Pyrenean ibex, also known as the bouquetin, is the only animal to have survived de-extinction past birth. De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct species. [ 1 ] There are several ways to carry out the process of de-extinction.
The stem cell controversy concerns the ethics of research involving the development and use of human embryos. Most commonly, this controversy focuses on embryonic stem cells. Not all stem cell research involves human embryos. For example, adult stem cells, amniotic stem cells, and induced pluripotent stem cells do not involve creating, using ...
Human embryonic stem cells have also been derived by somatic cell nuclear transfer (SCNT). [70] [71] This approach has also sometimes been referred to as "therapeutic cloning" because SCNT bears similarity to other kinds of cloning in that nuclei are transferred from a somatic cell into an enucleated zygote. However, in this case SCNT was used ...
Meet Retro, a cloned rhesus monkey born on July 16, 2020. He is now more than 3 years old and is “doing well and growing strong,” according to Falong Lu, one of the authors of a study ...
Genetic screen. A genetic screen or mutagenesis screen is an experimental technique used to identify and select individuals who possess a phenotype of interest in a mutagenized population. [1] Hence a genetic screen is a type of phenotypic screen. Genetic screens can provide important information on gene function as well as the molecular events ...