Which is true about mutations? A. They are always beneficial

B. They are always harmful

C. They are mostly neutral and unnoticed

D. They are always either beneficial or harmful

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium