The cloning of animals and plants ________. involves the process of nuclear transplantation has never been completed successfully depends on the presence of functional sex chromosomes is biologically and technologically impossible
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Step 1: The cloning of animals and plants involves the process of nuclear transplantation, where the nucleus of a somatic cell is transferred into an egg cell that has had its nucleus removed. Show more…
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Although quite inefficient, cloning by nuclear transplantation can be successful, as exemplified by the cloning of the famous Dolly. Such success implies that: A. Nuclei can be completely reprogrammed by cytoplasmic factors in a foreign cytoplasm. B. Epigenetic changes in somatic cells are functionally irreversible. C. Even a differentiated nucleus contains a complete genome, capable of supporting the development of an entire organism. D. All of the above.
Adi S.
How is nuclear transfer achieved for cloning? The nucleus of a sperm cell is replaced by the nucleus of a specialized cell, such as a nerve cell. The nuclear DNA is sent through the process of PCR. Embryonic stem cells are programmed to grow into specific tissues. The nucleus of an egg is replaced by the nucleus of a specialized cell, such as a skin cell. Question 2 A fetus that results from reproductive cloning will be __________. genetically identical to the donor animal grown from embryonic stem cells from a donor animal able to develop to term without a recipient animal genetically identical to the recipient animal
Suman K.
In theory, cloning is simple enough to be performed so that a human can be cloned. Briefly, an ovum is collected and the genetic material is removed. Then the entire genetic material of the person who will be cloned is added to the "cleared" ovum. The ovum now would behave like a fertilized egg and could develop when implanted into a womb. This baby will be a person with the exact genetic makeup of the person from which the material was obtained—an exact copy, a clone. No fertilization by a male with different genetic makeup would be necessary! Pretty cool, right?! Cloning may sound cool, but it brings up many issues. Should it even be allowed? If so, what are the biological and ethical implications of such cloning? Support Your Opinion: 1.) Now that it is possible to clone mammals, should cloning of human beings be allowed? 2.) What are the ethical concerns involved in making a decision either for or against cloning?
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