Menu Close

Why is the root tip an ideal specimen for observing the phases of mitosis?

Why is the root tip an ideal specimen for observing the phases of mitosis?

Observations and Conclusion The slide containing the stained root tip cells is placed on the stage of the compound microscope, changes taking place are noted and sketched. The different phases of mitosis, such as prophase, metaphase, anaphase and telophase can be observed.

Why are roots a good place to observe mitosis?

In plants, the roots continue to grow as they search for water and nutrients. These regions of growth are good for studying the cell cycle because at any given time, you can find cells that are undergoing mitosis.

Why is the garlic root tip a good specimen for studying mitosis?

Garlic bulbs grow roots that have actively dividing cells in their tips, in a region called the meristem. Each cell has only eight chromosomes, so it is relatively easy to see the chromosomes once they have condensed. Acetic orcein will stain the chromosomes dark red and fix the cells, stopping mitosis.

Why is the root tip or whitefish Blastula an ideal specimen for examining mitosis?

Two specimens are commonly used by biologists to study mitosis: the blastula of a whitefish and the root tip of an onion. The whitefish embryo is a good place to look at mitosis because these cells are rapidly dividing as the fish embryo is growing. Mitosis can take several hours to complete.

Why are onion root tip cells ideal for studying the cell cycle quizlet?

Prophase the chromatin begins to form into chromosomes. Why is an onion root tip a good place to look for dividing cells? Rapidly growing part of the onion, indicates many cells will be in different stages of mitosis. Plant cells and animal cells both undergo mitotic cell division.

What is the easiest phase of mitosis to identify?

The chromosomes are most easily seen and identified at the metaphase stage of cell division and most of the chromosome images in this gallery are pictures of metaphase chromomosomes.

Why is the onion root a good specimen for studying mitosis?

why is the onion root a good specimen for studying mitosis? Cells of the onion are growing so it is easy to find cells in various stages of mitosis.

Why is the root tip squashed?

To produce a layer that is one cell thick. The root tip squash is performed gently so that the cells are not ruptured and to prevent the microscope slide and coverslip from cracking.

What is a blastula Why is the blastula a useful developmental stage to examine cells in mitosis?

Whitefish blastula: The developing embryo of any organism is a good tissue to examine for mitosis, since cells must divide at a high rate to transform a fertilized egg (single cell) into the trillions of cells of a viable organism.

How are onion root cells good for observing mitosis?

An onion root tip is a rapidly growing part of the onion and thus many cells will be in different stages of mitosis. The onion root tips can be prepared and squashed in a way that allows them to be flattened on a microscopic slide, so that the chromosomes of individual cells can be observed easily.

Why are onion root tips a good place to find dividing cells?

The onion root is also a good place because this is the area where the plant is growing. Remember that when cells divide, each new cell needs an exact copy of the DNA in the parent cell. This is why mitosis is only visible in cells that are dividing, like the whitefish embryo and the onion root tip.