NACL is the correct answer
This is when a daughter cell divides into 2 different cells . So basically the dividing of cells to offspring from the parent.
Well a characteristic is something that's distinctive about that person for example a characteristic of that person is nervously chewing on his/her lip where as a trait is inherited
Cells were taken while she was being treated for cancer many years ago and these cells have been cultured in the lab ever since.