Genetically modified species have had their DNA (deoxyribonucleic acid) changed or altered by genetic engineering techniques, usually GM organisms, have a DNA shift by introducing genes from other organisms in plants, bacteria, viruses and livestock. A simplified method for transgenesis:
identify the desirable trait, (later a transgene) in the organism (DNA sequencing)
isolate the target sequence of genetic material or DNA (via extraction, amplification and purification protocols)
Transform the transgene using a vector (bacteria or yeast); the vector sequence is a delivery mechanism for the transgene insert. In a successful transformation, the transgene is expressed within the target organism after being incorporated into the genome and specific tissues.
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