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I varies and depend on observation, people always contradictory about prophase so here is the range 38% to 50%.

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Q: What is the mitotic index for the onion root tip?
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Why root tip of an onion is an ideal specimen for examining mitotic division?

The specimen is inexpensive and easy to obtain. Further, it's easy to cut a thin slice for viewing with a microscope. The cells are large and distinct....and root hairs grow at the tip, which means that we find lots of cells in various stages of mitosis and division.


Which tool is best for a student to use to observe mitosis in an onion root?

A microscope is the best tool for a student to use to observe mitosis in an onion root tip.


Why do all of the phases of mitosis happen at the same time in an onion root?

Different individual cells will have received slightly different amounts of vital nutrients at different times, therefore, mitosis will not occur at the same rate throughout the onion. Over time, cells will become more out-of-sync and end up mitozing at different times causing each cell to be at different stages of the mitotic cycle. P.S. Is mitotic even a word - I've never heard it before. Sounds like a smug biology teacher made it up.


Why would you not find a chloroplast in a onion root cell?

the reason you wouldn't see chloroplasts is because the onion root tip is underground where light can not reach and why would it need chloroplasts if it didn't need to produce energy form light?


What is the use squashing onion root tip?

Because it makes the onion root tip very thin - to get best results they tend to try and make it one cell layer thick. This way when you look at under a microscope with dye on it, we can see it clearer and more accurately. You can then distinguish between anaphase, interphase and so on. (:

Related questions

How do poles of the spindle differ from those of the onion root tip?

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Why root tip of an onion is an ideal specimen for examining mitotic division?

The specimen is inexpensive and easy to obtain. Further, it's easy to cut a thin slice for viewing with a microscope. The cells are large and distinct....and root hairs grow at the tip, which means that we find lots of cells in various stages of mitosis and division.


How do scientist examine the tip of an onion root?

focous into the lense and look towards the stage


Why is the root tip an ideal specimen is ideal for examining mitotic division?

Root tips are very active in mitotic cell division as the roots grow deeper and broader in their search for water and nutrients, as well as anchorage in the soil.


Which tool is best for a student to use to observe mitosis in an onion root?

A microscope is the best tool for a student to use to observe mitosis in an onion root tip.


What type of cell division is exhibited by the cell in the onion root tip?

Mitosis.


What is the same about the chromosomes of the whitefish embryo and the onion root tip?

... Did Ben answer this?: ... Did Ben answer this?:


In the onion root tip do the daughter cells occupy the same column of cells as the parent cell?

yes and it goes the same for all cells in the root tip


How long does it take cells to cycle on an onion root tip?

Like most cells, the onion root tip cell generally takes about 2 weeks to fully complete the cell cycle.


The area of active cell division in the onion root tip is called the?

Apical meristem


Why you need to heat onion root tips during mitosis?

The reason for mitosis occurring most commonly in the onion root tip is because the onion root tip is a rapidly growing area of the plant.


What is the shape of onion root tip cells?

how does the shape of a root hair cell help take in water so quickly