Virtually All Specialized Cells of Multicellular Organisms

Virtually all specialized cells of multicellular organisms

A) develop through mutation from less specialized cells of the organism.
B) contain more genetic material than less specialized cells of the same organism.
C) contain less genetic material than less specialized cells of the same organism.
D) have the same amount of DNA and the same number of chromosomes as all other cells of the organism and develop from the same basic stem cells.