I varies and depend on observation, people always contradictory about prophase so here is the range 38% to 50%.
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.
A microscope is the best tool for a student to use to observe mitosis in an onion root tip.
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.
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?
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. (:
I want to know the same question too
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.
focous into the lense and look towards the stage
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.
A microscope is the best tool for a student to use to observe mitosis in an onion root tip.
Mitosis.
... Did Ben answer this?: ... Did Ben answer this?:
yes and it goes the same for all cells in the root tip
Like most cells, the onion root tip cell generally takes about 2 weeks to fully complete the cell cycle.
Apical meristem
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.
how does the shape of a root hair cell help take in water so quickly