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One major difference between meiosis I and meiosis II is that Multiple Choice crossing-over occurs in prophase of meiosis I but not in prophase of meiosis II. sister chromatids are separated during meiosis I, while homologous chromosomes are separated during meiosis II. in meiosis I there is no pairing of chromosomes while homologues pair in meiosis II. the resulting cells at the end of meiosis I are diploid, while the cells at the end of meiosis II are haploid. in telophase of meiosis I, four gametes form from the parent cell, and in telophase of meiosis II, each parent cell gives rise to two identical daughter cells.

          One major difference between meiosis I and meiosis II is that
Multiple Choice
crossing-over occurs in prophase of meiosis I but not in prophase of meiosis II.
sister chromatids are separated during meiosis I, while homologous chromosomes are separated during meiosis II.
in meiosis I there is no pairing of chromosomes while homologues pair in meiosis II.
the resulting cells at the end of meiosis I are diploid, while the cells at the end of meiosis II are haploid.
in telophase of meiosis I, four gametes form from the parent cell, and in telophase of meiosis II, each parent cell gives rise to two identical
daughter cells.
        
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One major difference between meiosis I and meiosis II is that
Multiple Choice
crossing-over occurs in prophase of meiosis I but not in prophase of meiosis II.
sister chromatids are separated during meiosis I, while homologous chromosomes are separated during meiosis II.
in meiosis I there is no pairing of chromosomes while homologues pair in meiosis II.
the resulting cells at the end of meiosis I are diploid, while the cells at the end of meiosis II are haploid.
in telophase of meiosis I, four gametes form from the parent cell, and in telophase of meiosis II, each parent cell gives rise to two identical
daughter cells.

Added by Ruben T.

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Biology for AP Courses
Biology for AP Courses
Julianne Zedalis, John Eggebrecht
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One major difference between meiosis I and meiosis II is that Multiple Choice crossing-over occurs in prophase of meiosis I but not in prophase of meiosis II. sister chromatids are separated during meiosis I, while homologous chromosomes are separated during meiosis II. in meiosis I there is no pairing of chromosomes while homologues pair in meiosis II. the resulting cells at the end of meiosis I are diploid, while the cells at the end of meiosis II are haploid. in telophase of meiosis I, four gametes form from the parent cell, and in telophase of meiosis II, each parent cell gives rise to two identical daughter cells.
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Meiosis I separates homologous chromosomes, each of which comes from one parent and contributes to genetic variation via the law of independent assortment and via crossing over. Cells at the beginning of meiosis I are diploid and cells at the end of meiosis I are haploid. In contrast, meiosis II separates sister chromatids, each of which started out as a single chromosome. Cells at the beginning of meiosis II are haploid and at the end of meiosis II are diploid. This process contributes to genetic variation by creating gametes that are subject to random fertilization, independent assortment, and crossing over.

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Though the stages of meiosis have the same names as the stages of mitosis, they exhibit fundamental differences. What are the main differences between the two processes? a. Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is introduced in meiosis, but not in mitosis. b. Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is reduced in meiosis, but not in mitosis. c. Metaphase and telophase portions of meiosis and mitosis are the same. Meiosis and mitosis are also the same, except for the number of chromosomes. Anaphase I and anaphase are different. d. Prophase and telophase portions of meiosis and mitosis are the same. Meiosis II and mitosis are also the same and have the same number of chromosomes. Anaphase I and anaphase are different.

Biology for AP Courses

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Though the stages of meiosis have the same names as the stages of mitosis, they exhibit fundamental differences. What are the main differences between the two processes? a. Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is introduced in meiosis, but not in mitosis. b. Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is reduced in meiosis, but not in mitosis. c. Metaphase and telophase portions of meiosis and mitosis are the same. Meiosis and mitosis are also the same, except for the number of chromosomes. Anaphase I and anaphase are different. d. Prophase and telophase portions of meiosis and mitosis are the same. Meiosis II and mitosis are also the same and have the same number of chromosomes. Anaphase I and anaphase are different.

Bryan V.


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Transcript

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00:01 Hi everyone, question is based on meiosis.
00:04 Let's write down answer of question number one and the answer is homologous chromosomes.
00:15 Miosis once separate homologous chromosome.
00:20 Answer of question number two is one parent.
00:27 Each homologous chromosome comes from one parent.
00:31 Answer of question number three is and homologous chromosome contributes to genetic variation via the law of independent assortment.
00:50 Answer of question number 4 is and via crossing over...
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