When studying cell division in tissue samples, scientists often calculate a mitotic index, which is the ratio of dividing cells to the total number of cells in the sample. Scientists often calculate the mitotic index to compare the growth rates of different types of tissue. Which type of tissue would have a higher mitotic index, normal tissue or cancerous tissue? Explain.

A cancerous tissue would have a higher mitotic index. The cancer cells reproduce at a rapid rate due to the lack of contact inhibition. The contact inhibition stops normal cells from going through mitosis after 20-50 times, but since nothing is regulating that for cancer cells, there is going to be more cells dividing compared to the total number of cells.

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andromache andromache · Answer 2 · 2022-02-25T14:56:00+01:00

The type of tissue that would have a higher mitotic index is cancerous tissue:

Why does cancerous tissue have a higher mitotic index?

A cancerous tissue should contain a greater mitotic index. The cancer cells should be produced again at an increased rate because of the insufficiency of inhibition of contact.

The contact inhibition ended at the time when standard cells from moving via mitosis following 20-50 times.

However, nothing should be regular for cancer cells, so it will be going to be more cells that split than the total no of cells.

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