نتایج جستجو برای: cloning
تعداد نتایج: 65888 فیلتر نتایج به سال:
Human cloning is one of the latest and most complicated developments in the field of medical and genetic sciences that could fulfill man’s dream of eternal life. Scientists’ achievements in this respect, however, have brought about many concerns for thinkers, particularly ethics scholars. Human and animal cloning have been examined from different angles, but one basic aspect of human cloning ...
We address the problem of imitation learning with multi-modal demonstrations. Instead attempting to learn all modes, we argue that in many tasks it is sufficient imitate any one them. show state-of-the-art methods such as GAIL and behavior cloning, due their choice loss function, often incorrectly interpolate between modes. Our key insight minimize right divergence learner expert state-action d...
Abstract No-cloning theorem forbids perfect cloning of an unknown quantum state. A universal machine (UQCM), capable producing two copies any input qubit with the optimal fidelity, is fundamental interest and has applications in information processing. This enabled by delicately tailored nonclassical correlations between copying qubits, which distinguish UQCM from a classical counterpart, but w...
As a scientific achievement of the modern world, cloning has caused both fears and hopes for the future of the humankind. It is categorized into human and non-human cloning, each of which are subdivided into therapeutic and reproductive subtypes. Of these subtypes, only the reproductive category has produced much controversy, but there is not much debate on animal cloning. Human cloning for the...
Human cloning is one of the most controversial issues in ethics. This paper, with analytic-descriptive method, deals with Kant;aposs principle of ends and permission or prohibition of human cloning from its point of view. According to Kant;aposs principle of ends, any action in which humanity is taken as a means, not as an end, is prohibited. There are different interpretations of taking humani...
Background Despite successful cloning of many mammalian species, the cloning efficiency is extremely low compared to that of IVF raising the possibility of the existence of epigenetic barrier preventing successful cloning. MaterialsAndMethods Using comparative transcriptome analysis comparing transcriptomes of IVF and SCNT embryos and that of donor cells, we identified epigenetic barrier and fi...
Cloning, as a new technology, has attracted the attention of statesmen, physicians, lawyers and other scientific communities. This phenomenon both opens a new horizon on human society regarding its therapeutic features and brings some concerns to it. This technology is divided into two parts: Human or generative cloning and therapeutic or investigative cloning. The first meaning which comes to ...
Divine religions have adopted various stances regarding cloning, and the Jewish faith has likewise examined the issue and investigated both its classifications. The present paper is a case study of the viewpoints of Jewish scholars on both reproductive and therapeutic cloning. The results showed that regarding therapeutic cloning, Jewish scholars believe in three different viewpoints: impermis...
Background and purpose: In recent years, the importance of human cloning is discussed by researchers. But its scientific and legal advantages and disadvantages have received less attention. Therefore, the aim of this study was to evaluate the advantages and disadvantages of human cloning according to sporadic legal and scientific viewpoints and Islamic jurisprudence. Materials and metho...
a highly efficient cloning vector was constructed for cloning pcr products by inserting an 80 bp dna fragment into pgem-5zf (+) vector. the xcm i digestion of this vector gave rise to a 3’ overhanging deoxythymidine offering the possibility of cloning pcr products with 3' adenosine overhang created by taq dna polymerase. furthermore, two ecor i sites were added to the construct for identificati...
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