8. Which of the following sentences defines adequately horizontal gene transfer? a) Exchange of genetic information across species b) Movement of genetic information via binary fission c) Exchange of genetic information via sexual reproduction d) Transmission of genetic information from ancestors to descendants e) Exchange of genetic information via asexual reproduction Solution 1. The correct answer is Option A. Horizontal gene transfer is defined as the movement of genetic material between bacteria other than by descent in which information travels through the generations as the cell divides. The bacterial species cannot divide sexually so there are other methods like transformation, conjugation and transduction which are employed for horizontal gene transfer..