Research Paper On Human Cloning

Research Paper On Human Cloning-29
It more recently is focusing on our growing ability to understand and manipulate our genetic code, which directs the formation of many aspects of who we are, for better and for worse.We aspire to complete control over the code, though at this point relatively little is possible. Zhong Zhong and Hua Hua (or just ZZ and HH for short)…

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We live in a brave new world in which reproductive technologies are ravaging as well as replenishing families.

Increasingly common are variations of the situation in which "baby's mother is also grandma-and sister." Sometimes extreme measures are necessary in order to have the kind of child we want.

As for the potential clones themselves, Darnovsky is blunt:“Mostly, cloned animals are not quite right.

To try it in humans would be highly unethical,” she says.“Not quite right” is a nice way of putting it.

A pair of cloned monkeys in China are reawakening questions… They seem like any other healthy baby macaque monkey. ZZ and HH were born from surrogate mothers using a process known as somatic cell nuclear transfer (SCNT) — the same process used to clone Dolly the sheep in 1996.

like to jump around and play in their enclosure in a laboratory in Shanghai.But human cloning represents one concrete step in that direction, and the forces pushing us from behind to take that step are tremendous.These forces are energized, as we will see, by the very ways we look at life and justify our actions.“This is really, I think, a breakthrough for biomedicine”He and his colleagues believe that genetically identical primates will allow for better research models for human brain diseases such as Alzheimer’s and Parkinson’s as well as subsequent therapies for them.Cloned monkeys could also make for a better animal model because of how much more similar they are to humans than other mammals.Rather, it entailed producing a nearly exact genetic replica of an already existing adult.The technique is called nuclear transfer or nuclear transplantation because it involves transferring the nucleus (and thus most of the genetic material) from a cell of an existing being to an egg cell in order to replace the egg cell's nucleus.There are risks associated with egg retrieval, the process of harvesting eggs required for in vitro fertilization, is not without its own lingering ethical questions.Risks also abound for surrogates, owing simply to the labors of bringing a fetus to term, and, of course, the act of childbirth.SCNT has been used to clone a wide range of animals, including cats, dogs, horses, rats, and others.Although primates have been cloned before, most notably a rhesus macaque named Tetra born in 1999, ZZ and HH are the first primates cloned using SCNT.“We’re excited — extremely excited,” Mu-Ming Poo, Ph D, of the Chinese Academy of Sciences told NPR.


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