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.
Controversies. Bacterial plasmids used in gene cloning naturally contain genes that encode some form of antibiotic resistance. As a result of the gene cloning process, the cloned genes that are put into plant cells to make a transgenic plant may also have an antibiotic resistance gene.tep 1: DNA extracted from an organism, with the gene of interest, is cut into gene-size pieces with restriction enzymes. These enzymes read the nucleotide sequence of the DNA and recognize specific sequences. The enzymes then cut the DNA sequence by breaking the bonds between nucleotides in a DNA strand.