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.
The process of putting a gene into a vector is called molecular cloning or gene cloning. Most vectors are based on plasmids, which are small circular sequences of DNA that occur naturally within bacteria. Plasmid vectors can accept a few genesâ worth of DNA.o introduce foreign DNA into a circular vector, scientists carry out a three-step process: 1  Cutting out the gene. 2  Scientists first remove their gene of interest from the DNA sequences on either side of it.