Prophase is the first stage in mitosis, occurring after the conclusion of the G2 portion of interphase. During prophase, the parent cell chromosomes which were duplicated during S phase condense and become thousands of times more compact than they were during interphase.
Answer: Inside the nucleus of a cell are arrangements of DNA called genes, which are the basic units of heredity.
Mutations can be any but id say all besides always harmful or all of the above if that’s a choice
