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The late prophase is one of the stages in mitosis and during this stage there is a break up of the nuclear envelope and the microtubules that the spindle fibers are made up of called the polar fibers reach from the pole to the equator of each cell. Specialized regions that are in the centromeres of chromosomes called Kinetochores attach to kinetochore fibers which are a type of microtubules. The spindle polar fibers connect the polar fibers to the kinetochores through their interaction with the kinetochore fibers and the chromosomes start to migrate towards the center of the cell.
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In what stage does the nuclear membrane disintegrate?
Mitosis Prophase. Yep one homework question answered!
What happens during prophase you that does not happen during mitosis?
During prophase in meiosis, homologous chromosomes pair up and undergo crossing over, exchanging genetic material. This process does not occur during mitosis, where individual chromosomes line up and separate without crossing over.
Does crossing over occur during prophase 2 of meiosis?
No, crossing over occurs during prophase 1 of meiosis, not prophase 2.
What happens to homologous chromosomes during prophase 1 of meiosis which does not occur during prophase of mitosis?
During prophase I of meiosis, homologous chromosomes pair up and undergo crossing over, where segments of DNA are exchanged between them. This does not occur during prophase of mitosis, where homologous chromosomes do not pair up or undergo crossing over.
What happens to the DNA in prophase of the cell cycle?
During prophase of the cell cycle, the DNA condenses and coils tightly to form visible chromosomes. This process helps to organize and prepare the DNA for cell division.
What stage does chromatin condense to chromosomes?
During mitosis, chromosomes are in their most condensed form during metaphase
What phase happens during mitosis?
Prophase.
What happens to centrioles during prophase?
moving apart
What structure breaks in late prophase?
In late prophase, the nuclear envelope breaks down. This allows the chromosomes to be fully condensed and ready for division during metaphase.
In prophase do the nuclear membrane dissapears?
late Prophase
What happens during division?
prophase, metaphase, anaphase, telophase (including cytokinesis)
The pairing up of maternal and paternal chromosomes during meiosis happens in?
The pairing up of maternal and paternal chromosomes during meiosis happens in the prophase I stage. This pairing is called synapsis and results in the formation of a structure called a tetrad.
A synaptonemal complex disappears during?
The synaptonemal complex disappears during the diplotene stage of meiosis. This dissolution marks the end of the physical connection between homologous chromosomes, allowing them to separate and continue with the process of meiosis.
In what stage does the nuclear membrane disintegrate?
Mitosis Prophase. Yep one homework question answered!
During which phase does the chromatin condense into chromosomes?
The chromosomes coil up and condense during prophase
Crossing over occurs during which phase of meiosis?
Crossing over occurs during Prophase I of meiosis.
Does crossing over occur during prophase 2 of meiosis?
No, crossing over occurs during prophase 1 of meiosis, not prophase 2.
