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Introduction What if you could design your child before it was even born What if you could cut out any life threatening diseases make sure that your child is not susceptible to smoking addictions or alcoholism and then make your child genius Would you Are you asking yourself how this could be done Have you ever considered human genetic engineering What is Human Genetic Engineering Lets start by looking at the cell and the source of heritable traits We know that all organisms are made up by cells and that new cells can only spring from existing cells Cell growth depends upon the production of new cells and within each cell exists DNA DNA contains the hereditary instructions need for each organism to grow and develop Every parental organism gives the correct amount of DNA to its offspring Humans give their children twenty-three chromosomes from each of the parents DNA looks something like a twisted staircase and when in a condensed form each DNA molecule is called a chromosome Genes are formed in pairs are located in these chromosomes During reproduction the gene pairs are split apart and randomly passed on to the offspring During the replication of the gene pairs chance events such as mutations can change their structure and prompt evolution Through human interference we can compose our own evolution by using genetic engineering By using this genetic engineering scientist have the means to isolate cut and split different genes from different species and then amplify the number of copies of the gene that they are interested in This process has four steps First enzymes are used to cut DNA molecules into smaller fragments Second the fragments are inserted into a cloning device such as plasmids Third the fragments that are wanted are identified and then copied Fourth the fragment is inserted back into the same organism or possibly into a different one Historically humans
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