Imagine that a single cell below goes through four cell divisions. How many cells are produced? To find out, draw the parent cell and cells present after each division. Then write the number of cells in the space below each drawing. (Hint: the number of cells doubles with each division.)
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Answer:
Parent cell:
|___|
Cells present after first division:
|___| |___|
Number of cells: 2
Cells present after second division:
|___| |___| |___| |___|
Number of cells: 4
Cells present after third division:
|___| |___| |___| |___| |___| |___| |___| |___|
Number of cells: 8
Cells present after fourth division:
|___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___| |___|
Number of cells: 16