Which one of the following imaging techniques is non-invasive?
The principle of genetic engineering explains that vector design and pathway extension enable vitamin production. Hence Ultrasound imaging fits best because it utilizes recombinant DNA and metabolic engineering, as documented in authoritative sources on biotechnology.
Ref: Primrose and Twyman, Principles of Gene Manipulation and Genomics, 8th Edition, Chapter 2, Recombinant DNA Technology, discusses Golden Rice development, exogenous genes, metabolic engineering and vitamin A pathway extension supporting applications.
