The discovery of the double helix structure of DNA by Watson and Crick led to a huge studying wave of DNA. Seventeen years after their discovery, recombinant DNA (rDNA), also known as genetic engineering or gene splicing, was introduced to the world. This is a technology that allowed a new and more precise kind of gene manipulation, not only across species lines but out of the animal kingdom (Morgan, “The Genetics Revolution: History, Fears, And Future Of A Life-Altering Science.”). With the identified functions of genes, in the future scientists are able to add or delete the traits as they want precisely. The achievement of this technology is just the matter of time.
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