OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which best describes the technique of genetic engineering?
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manufacturing synthetic DNA in the lab from chemicals
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cutting out segments of DNA under a microscope
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exposing the DNA of an organism to radiation to produce mutations
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introducing foreign DNA into an organism in order to modify the organism’s DNA.
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Explanation:
Detailed explanation-1: -If genetic material from another species is added to the host, the resulting organism is called transgenic.
Detailed explanation-2: -Transgenic Transgenic refers to an organism or cell whose genome has been altered by the introduction of one or more foreign DNA sequences from another species by artificial means. Transgenic organisms are generated in the laboratory for research purposes.
Detailed explanation-3: -For this task, the genetic engineer uses a restriction enzyme. These enzymes recognize specific nucleotide sequences and cut the DNA at precisely those points. It is these enzymes that allow researchers to snip a gene out of the DNA sequence from one organism and splice it into the DNA of another.
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