Amutation exists in a gene that controls hair growth on the middle digit of human fingers. some people have mid-digital hair, while others do not. the gene can be passed from one generation to the next. which explanation best predicts what should happen to this trait over time?

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully