Against Stem Cell Cloning Essay

1858 words - 7 pages

Cells that have the ability to become, basically, any other cell in the body are called stem cells. These cells would most likely develop in the beginning stages of life. These cells also have the potential to grow. Stem cells have the ability to divide numerous times without limit. This works as a type of repair system within the body. This way, when a stem cell does divide, the produced cells have the ability to remain a stem cell or become any type of cell in the body. When given a route, the stem cells will take on the given job as if that was their normal purpose. Stem cell cloning uses a base of two main types of stem cells. These two main types are adult stem cells and embryonic stem cells. The adult stem cell, according to the National Institutes of Health, is thought to be an undifferentiated cell, found among differentiated cells in a tissue or organ that can renew itself and can differentiate to yield some of all of the major specialized cell types of the tissue or organ. Adult stem cells usually have a specified job, and that job is to repair the tissue where they largely reside. Another type of stem cell is the embryonic stem cell. The embryonic stem cell is taken directly from an embryo, just like the name of the stem cell suggests. Usually, these embryonic stem cells are taken from fertilized embryos that have been donated with the donors consent. These donors are usually part of an in vitro fertilization experiment. In today’s society, researchers are experimenting with the possibility of producing reproductive stem cells, with the help of embryonic and adult stem cells, to completely clone another organism. The first successful clone of an adult mammal was “Dolly the sheep”. Dolly was a sheep that was born with the help of stem cell cloning. The process of cloning Dolly occurred when an egg (from an adult sheep) that was never fertilized was put together with the DNA of a cell from a different sheep. This fused egg was then put into a mother who acted as a surrogate in the experiment. (Wade, Nicholas). After this attempt of a complete clone of a mammal, the large debate on the morality of the process began.
Stem cells can be classified into four groups. These four groups are as follows: unipotent, totipotent, pluripotent, and multipotent. Unipotent stem cells are stem cells that have the ability to self-renew and enhance the growth of a mature cell type. Unipotent cells are easily found in sperm producing cells derived from males. Totipotent stem cells are stem cells that can be derived from the embryo/fetus. The totipotent stem cells can be found in any very early stages of growth or development of a fetus. Pluripotent stem cells are stem cells can be considered, basically, “blank slates” (CNN Library). Pluripotent stem cells are usually a good thing because pluripotent stem cells can aid almost any cell in the human/mammal body. The last classification of stem cells, the multipotent stem cell, is a stem cell that...

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