how do prophase and telophase differ?
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In prophase the chromosomes are composed of two chromatids. In telophase, the chromosomes have are single stranded and there are two identical daughter cells. ... "In Prophase the actual nuclear membrene is gone; Within telophase the nuclear membrane lso are-forms. "
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During the zygotene stage of prophase I, the homologous chromosomes pair up with each other. This pairing occurs by a synapsis process where the synaptonemal complex - a protein scaffold - is assembled and joins the homologous chromosomes along their lengths.
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Stages of mitosis: prophase, metaphase, anaphase, telophase. Cytokinesis typically overlaps with anaphase and/or telophase. You can remember the order of the phases with the famous mnemonic: [Please] Pee on the MAT.
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Meiosis and mitosis both have a prophase, metaphase, anaphase, telophase and cytokinesis.
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If you're ever asked to explain the difference between telophase and cytokinesis, say, "Telophase refers to the formation of two new nuclei. Cytokinesis refers to the formation of two new cells."
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Both mitosis and meiosis are processes of cell division. They use the same steps for cell division, including prophase, metaphase, anaphase and telophase. ... The resulting offspring is genetically different in the case of meiosis, while the offspring is identical in the case of mitosis.
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Mitosis consists of one stage whereas meiosis consists of two stages. Mitosis produces diploid cells (46 chromosomes) whereas meiosis produces haploid cells (23 chromosomes). Mitosis produces two identical daughter cells whereas meiosis produces four genetically different daughter cells.
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Meiosis prophase 1. ... Prophase 1 is essentially the crossing over and recombination of genetic material between non sister chromatids - this results in the genetically unidentical, haploid daughter chromatid cells.
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Meiosis I. Compared to mitosis, which can take place in a matter of minutes, meiosis is a slow process, largely because of the time that the cell spends in prophase I. During prophase I, the pairs of homologous chromosomes come together to form a tetrad or bivalent, which contains four chromatids.
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Answer Expert Verified Similarities:they are both processes of cell division by which cells reproduce. They share several steps of the process(prophase, metaphase, anaphase e telophase, cytokinesis) but meiosis has another division also with those same steps.
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Prophase I is the beginning phase of Meiosis I while Prophase II is the beginning phase of Meiosis II. There is a long interphase before Prophase I, whereas Prophase II occurs without an interphase. ... The pairing of homologous chromosomes occurs in Prophase I, whereas such process cannot be seen in Prophase II.
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In meiosis II, the phases are, again, analogous to mitosis: prophase II, metaphase II, anaphase II, and telophase II (see figure below). As shown in the figure below, meiosis II begins with two haploid (n = 2) cells and ends with four haploid (n = 2) cells.
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During telophase, a nuclear membrane forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm. The chromosomes begin to uncoil, which makes them diffuse and less compact.
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The stages of mitosis are: prophase, metaphase, anaphase and telophase. Only two pairs of chromosomes are shown in the diagrams below.
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Like mitosis, meiosis also has distinct stages called prophase, metaphase, anaphase, and telophase. A key difference, however, is that during meiosis, each of these phases occurs twice — once during the first round of division, called meiosis I, and again during the second round of division, called meiosis II.
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Prophase I is typically the longest phase of meiosis. During prophase I, homologous chromosomes pair and exchange genetic information (homologous recombination). This often results in chromosomal crossover.
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Chromosomes condense and the centrosomes begin to form an early spindle. Meiotic prophase I is much longer that mitotic prophase. During prophase I homologous chromosomes make contacts with each other called chiasmata and “crossing over” occurs. This is where chromosomes exchange sections of DNA.