Which of the given statements is incorrect about Horizontal Gene Transfer?

• A. The genomes of most organisms are derived by vertical transmission, the inheritance of chromosomes from parents to offspring from one generation to the next
• B. It is the acquisition of genetic material from a different organism
• C. The transferred material becomes a temporary addition to the recipient genome
• D. An extreme example is the proposed endosymbiont origin of mitochondria in eukaryotic cells and chloroplasts in plants