Introduction of one or more genes into an organism which are normally not possessed by them or their deletion by using artificial means (not by breeding) comes under
Molecular biology
Genetic hybridisation
Cytogenetics
Genetic engineering
A
Genetic hybridisation
B
Cytogenetics
C
Molecular biology
D
Genetic engineering
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Solution
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Genetic engineering is the process of manually adding new DNA to an organism. The goal is to add one or more new traits that are not already found in that organism. Examples of genetically engineered (transgenic) organisms currently on the market include plants with resistance to some insects, plants that can tolerate herbicides, and crops with modified oil content. New DNA may be inserted in the host genome by first isolating and copying the genetic material of interest using molecular cloning methods to generate a DNA sequence, or by synthesizing the DNA, and then inserting this construct into the host organism.
Therefore, the correct answer is option D.
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