Word forms: 3rd person singular present tense investigates , present participle investigating , past tense , past participle investigated. verb. If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth.
Gene cloning is a method for making many identical copies of a gene by inserting the gene into a living host cell.Under appropriate conditions, the host cell will replicate the foreign DNA along with its own DNA whenever it divides.ene cloning is a method for making many identical copies of a gene by inserting the gene into a living host cell.
Recombinant DNA technology (rDNA) is technology that is used to cut a known DNA sequence from one organism and introduce it into another organism thereby altering the genotype (hence the phenotype) of the recipient. The process of introducing the foreign gene into another organism (or vector) is also called cloning.oreign DNA sequences can be introduced into bacteria, yeast, viruses, plant and animal cells. The genes are identified by various methods and once identified, it is convenient to maintain a gene library.