Cell A = Sperm cell
Sex of rabbit = Male (bc males produce sperm cells)
The offspring is not genetically identical to either parent because in sexual reproduction, the offspring receives one full set of genes from each parent, making the offspring look similar to the parent but not identical to them.
The source of the infection most would be the first patient who contaminated the instrument used for endoscopic procedures since washing the instrument did not remove the bacteria so it does not come from the water, detergent or glutaraldehyde. Hope this helps. Have a nice day.