... identical twins are all clones of each other. "In fact, you probably know some clones. Identical twins are clones of each other, both of them came from the same fertilized egg cell" (Berger). As long as genetic make up is the same they are clones and a splitting embryo that creates and two identical are new in genetic variation and unique from anything ... dangerous narrowing of diversity in the gene pool. As it is pointed out "mutations are passed along in a line of cells-from parent cell to daughter cells as the original DNA mistake is copied over and over in subsequent DNA replicatio...

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• Approx Pages: 7
• Has Bibliography
• Grade Level: High School

... of character determinants, genes. Inside every person is Deoxyribonucleic acid or more commonly known as DNA. DNA exists as two long, fine strands of DNA spiraling into the famous figure of the double helix. The discovery of DNA is attributed to three scientist, Francis Crik, Maurice Wilkins, and James Dewey. All ... nucleus of all of our cells, except the red blood cells. In each nucleus, there are forty-six molecules of coiled, double stranded DNA. Each one of these molecules is housed in a structure called a chromosome. Inside each chromosome are genes. Genes are the chemical message ...

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... ) either removed or added to its genome" (Dr Ed Wraith, 11/2002) Introduced genes, called transgenes, come form a species different from the host organism. By carrying this extra piece of DNA, an animal can synthesise proteins normally produced by other species. This has been possible in bacteria and organisms such as yeast for several decades. All proteins are synthesised form only ... protein. Most transgenic animals are generated by the microinjection of many copies of the transgene into the nucleus of a fertilized egg when it is still at the one cell stage. The eggs are cultured over...

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... vectors in the form of a deactivated virus, which has limited genetic information of its own (4). This deactivated virus will slip into a cell and take over its DNA and force it to produce more viruses. The virus can therefore enter the specific cell and deliver the healthy gene. With the Human Genome Project, we have a map of all the genes that make up a human ... viruses and other agents have been the most effective way to deliver healthy genes, but can also affect the cells detrimentally (4). Another risk is that when a gene is added to DNA, it could be incorrectly placed, which coul...

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... can be dangerous. I also promises more efficient drugs, selecting the ones that will work better to your kind of DNA, and also fixing genetic mutations. Genetic mutations are defects presented in the human DNA, which may causes the development of diseases, cancers and even may be part o the development of the personality of ... cure for the genetic mutations that are constantly occurring in nature. The manner in which foreign genes are introduced into another cell is referred to as vector treatment. The vector refers to a virus which has been treated so that it is no longer harmful to the...

• Word Count: 1614
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• Grade Level: High School

... who grow up together are separate people "distinct individuals with different personalities (Bailey 109). In addition, a clone that grew from one person's DNA inserted in another person's host egg would pick up "maternal factors?from the proteins in that egg (Bailey 110), affecting the clone's development, therefore a clone could not possibly be a copy of some past creature. This leads into the next ... can grow into any kind of human tissue and hold the potential to treat Alzheimer's, Parkinson's and other diseases?(McCullough), like AIDS and cancer, making society happier and healthie...

• Word Count: 2181
• Approx Pages: 9
• Grade Level: Undergraduate

... very multilayered in the promises and threats that are suggested by scientists (Kolata 8). In the basic definition, cloning is accomplished by removing the nucleus of a mature, unfertilized egg and replacing it with a specialized cell from an adult organism. The nucleus taken contains most of the hereditary material from the original human source, and it develops from the human source it was taken ... because it opens new doors for child bearing in that particular community. Asexual reproduction can use any cloning method to produce children of the couple's own cells or even the cell re...

• Word Count: 1625
• Approx Pages: 7
• Grade Level: Undergraduate