2 Answers

Stephen Horvath · Answer 1 · 2021-07-06T16:45:21+0000

Previously existing cells

All new cells come from previously existing cells. New cells are formed by karyokinesis- the process in cell division which involves replication of the cell’s nucleus and cytokinesis-the process in cell division which involves division of the cytoplasm.

Juanse · Answer 2 · 2021-07-09T05:22:55+0000

Answer:

It comes from pre-existing cells

Explanation:

Cells can only be formed when another cell divides to make 2 "daughter cells" that have the same DNA. Sometimes 2 cells will join to form one, such as a fertilized egg cell. Their DNA is combined in the new cell.

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