The nucleus contains chromosomes and these chromosomes are made from DNA DNA is the genetic code.
Everyone has got their own gentic code.
The genetic code carries information that makes your body what it is and scientists have now found a way to change your genetic code. This is called Genetic Engineering.
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Transgenic Organisms
Genetic engineering changes the gentic code of an organism and so it involves putting a new gene in the organism's existing DNA.
The altered organism is called Transgenic Organism.
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