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What are chromosomes separated by during mitosis?
the spindle fibers
What is the stage that the spindle fibers form?
Meosis is a reductional division, which means the primary cell has to divide twice thus giving four haploid cells. Spindle fibers are formed at Anaphase 1 (of the first division cycle) and Anaphase 2 (of the second division)
What phase is when each chromosome is connected to a spindle fiber?
During metaphase each chromosome attaches to spindle fibers. The centriole anchors the spindle fibers and helps in splitting the chromosome.
During mitosis the spindle fibers are trying to move the chromosomes so they are all lined up at where?
in the center. The next phase is anaphase
What are the first steps in mitosis?
Prophase: The condensation of chromosomes; the nuclear membrane disappears; formation of the spindle apparatus; chromosomes attach to spindle fibers.
What is spindle fibers pull the sister chromatids apart?
During anaphase I of meiosis the spindle fibers pull apart in homologous chromosomes. The spindle fibers are composed of micro-tubules. The spindle fibers continue to shorten during anaphase in order to bring the chromosomes at two poles.During anaphase I of meiosis the spindle fibers pull apart in homologous chromosomes. The spindle fibers are composed of micro-tubules. The spindle fibers continue to shorten during anaphase in order to bring the chromosomes at two poles.
Spindle fibers begin to disappear in what phase?
The spindle fibers disassemble during anaphase. As the spindle fibers shorten during anaphase, they separate the chromatids from one another and then move them to opposite poles. The answer above stating that the Spindle Fibers disassemble during anaphase is incorrect. If they were to disassemble at anaphase it would completely halt the cell division process. The spindle fibers disassemble during telophase.
What are chromosomes separated by during mitosis?
the spindle fibers
Do centromeres divide at anaphase one or two?
They divide at Anaphase two. In Matephase one the spindle fibers attach to one spindle fiber.
Which phase pulls spindle fibers apart from homologous chromosomes?
Anaphase
What is the structure responsible for the movement of chromosomes during anaphase?
the spindle fibers i think
Do spindle fibers form in plant cells undergoing mitosis?
In metaphase, spindle fibers grow and attach to chromosomes. In anaphase, they pull the chromosomes apart. In telephase, they disappear.
What is the purpose of spindle fibers during mitosis?
Spindle fibers move chromosomes to the center of the cell during metaphase of cell division and break the chromosomes apart during Anaphase.
Do centromeres divide in meiosis anaphase 1 or 2?
at anaphase 2. IN matephase 1 the spindle fiber attach to one spindle fiber. in anaphase 2 they attach to two spindle fibers then divide and move to opposite ends of the cell. now each is an individual chromosone
Chromatids migrate toward poles as spindle fibers shorten during?
metaphase , well double stranded chromosomes are .
The two chromatids move toward opposite poles as the spindle fibers attached to them shorten?
Anaphase
What phase in Meiosis do spindle fibers move homologous chromosomes to opposite sides?
Anaphase 1
