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Question

How many mitotic divisions occur in a cell of root to form 256 cells?

A
128
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B
255
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C
10
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D
All Wrong
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Solution

The correct option is A All Wrong
Every mitotic division will lead to the formation of twice the number of mother cells, hence to form 256 cells from a root tip cell, 8 generations of mitotic divisions must occur (28=256 cells).
Hence the correct answer is (D)

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