22. Differentiation refers to the process by which: O cells become progressively more specialized during development. O gene regulation determines which proteins are produced in a given cell during...

22. Differentiation refers to the process by which: O cells become progressively more specialized during development. O gene regulation determines which proteins are produced in a given cell during development. O None of the other answer options are correct. O changes in gene expression allow cells to produce the correct proteins at the correct time. O fertilized eggs undergo multiple rounds of cell division to become embryos.