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Recombinant Deoxyribonucleic acid is used to join DNA molecules from different species. This molecule is then placed into a host and then it produces a combination of these species. rDNA is useful to not only the medicine industry but also the food and agriculture industry. It increases the resistance of pests to plants. This process is important because it allows traits from other organisms to be inserted into other organisms.

rDNA is made by taking a circular amount of DNA and picking a gene. Then a restriction enzyme cuts the DNA strand and the gene is placed where the DNA was cut.

Some people are against rDNA because they think that we are playing God. We are literally taking traits from other species and combining them. There is also a possibility that parents can pick their traits for their children.

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Originally created for DNA Interactive ( http://www.dnai.org ) TRANSCRIPT: A common technique in genetic engineering is to insert a new gene into a loop of bacterial DNA called a plasmid. The molecular tool used to cut DNA is a restriction enzyme such as EcoRI.

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Action of Restriction Endonuclease Enzyme

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How restriction enzymes are used to splice useful genes from one species into another

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rDNA also created the human growth hormone.

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rDNA was the nominated as the most interesting invention in 1970.

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Human insulin was the first medicine produced by rDNA.

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The blue color of genes is made from rDNA.

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rDNA has cost more money then it makes.