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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 is the difference between prophase I and prophase II of meiosis?
Prophase 1 vs Prophase 2 of meiosisDURING PROPHASE I:Crossing over happens in chromosomes where genetic information is swapped from chromosome to another at a chiasma (chiasmata for multiple crossing over sections)Cell is Diploid 46 chromosomesDURING PROPHASE II:No Crossing over at this point, as it has already happened during prophase I.Cell is Haploid 23 chromosomes
What is an example of prophase?
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What phase happens only once in meiosis?
The phase that happens only once in meiosis is prophase I, which is characterized by the pairing of homologous chromosomes and the exchange of genetic material through crossing over. This phase is unique to meiosis and does not occur in mitosis.
The first phase of mitosis is called?
The first stage of mitosis when chromosomes start becoming visible in the microscope is called prophase.
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 phase happens in meiosis?
prophase1The first phase of meiosis is Prophase I
What phase happens first?
prophase1The first phase of meiosis is Prophase I
What phase happens first meiosis?
prophase1The first phase of meiosis is Prophase I
What happens during division?
prophase, metaphase, anaphase, telophase (including cytokinesis)
What happens in prophase of mitosis?
In prophase chromatin condenses, spindle fibers form a bridge from one end of the cell to another, and the nuclear membrane starts to break down.
Appears in prophase 1?
In prophase I of meiosis, chromosomes can be seen under an optical microscope. The chromosomes appear shorter and thicker. Meiotic division happens in two stages.
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.
What stage occurs when crossing over occurs in meiosis?
Prophase I of Meiosis.
What happens to the nuclear membrane as the cell progresses through prophase?
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