HELP URGENT Which is true for all stem cells?
○They express the same genes to become specific types of cells.

○They receive cellular signals to repair different types of cells.

○ They acquire DNA changes and are unable to replicate new cells.

○ They share the same DNA and can become a variety of new cells.​

mendel's first law states that during the formation of reproductive cells , pairs of hereditary factors for a specific trait separate so that offspring receive one factor from each parent.

explanation:

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

cell division is not regulated in tumor cells.