14 From a single fertilized ovum undergoing a series of rapid cell divisions, a human infant
develops. The embryonic cells become specialized for a variety of functions. Which of these
statements best describes how different cell types develop?
(5 Points)
F. Each cell type contains only the active parts of the DNA needed for that cell type.
G. Each cell type has only one chromosome containing the DNA needed for that cell type.
H. Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to
variety of cells.
J. Each cell has multiple copies of DNA that are affected in different ways by the environment to change the
function of the cell at regular intervals.
E