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Questions and Answers
During which phase of meiosis do homologous chromosomes line up at the equator of the cell?
During which phase of meiosis do homologous chromosomes line up at the equator of the cell?
- Telophase I
- Prophase II
- Metaphase I (correct)
- Anaphase I
Which event is characteristic of Anaphase I in meiosis?
Which event is characteristic of Anaphase I in meiosis?
- Homologous chromosomes separate and move to opposite poles. (correct)
- Homologous chromosomes pair up and exchange DNA.
- The nuclear membrane reforms around separated chromosomes.
- Sister chromatids separate and move to opposite poles.
What is the direct result of Telophase II in meiosis?
What is the direct result of Telophase II in meiosis?
- Four haploid cells, each with complete copies of DNA. (correct)
- Four diploid cells, each with complete copies of DNA.
- Two diploid cells, each with complete copies of DNA.
- Two haploid cells, each with complete copies of DNA.
What is the initial event that marks the beginning of Prophase I in meiosis?
What is the initial event that marks the beginning of Prophase I in meiosis?
During which of the following phases does the nuclear membrane begin to disappear in meiosis?
During which of the following phases does the nuclear membrane begin to disappear in meiosis?
What is the role of spindle fibers during Metaphase I?
What is the role of spindle fibers during Metaphase I?
What process occurs during Prophase I that increases genetic diversity?
What process occurs during Prophase I that increases genetic diversity?
Which of the following best describes the state of DNA at the start of Prophase II?
Which of the following best describes the state of DNA at the start of Prophase II?
Following telophase II, what type of cells are formed, and what is their ploidy?
Following telophase II, what type of cells are formed, and what is their ploidy?
What is the significance of homologous chromosomes pairing during prophase I?
What is the significance of homologous chromosomes pairing during prophase I?
Flashcards
Prophase I
Prophase I
Nuclear membrane begins to disappear; DNA condenses into duplicated chromosomes; Homologous chromosomes pair up and exchange DNA.
Metaphase I
Metaphase I
Homologous chromosomes line up at the equator of the cell; spindle fibers guide chromosome movement.
Anaphase I
Anaphase I
Homologous chromosomes separate and move to opposite ends of the cell.
Telophase I
Telophase I
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Prophase II
Prophase II
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Metaphase II
Metaphase II
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Anaphase II
Anaphase II
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Telophase II resulting cells
Telophase II resulting cells
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Study Notes
- Meiosis
Prophase I
- The nuclear membrane begins to disappear.
- DNA condenses into duplicated chromosomes.
- Homologous chromosomes are paired, exchanging DNA.
Metaphase I
- Homologous chromosomes line up at the equator of the cell.
- Spindle fibers guide chromosome movement.
Anaphase I
- Homologous chromosomes separate and move to each end of the cell.
Telophase I
Prophase II
- DNA exists as chromosomes.
- The nuclear membrane begins to disappear.
Metaphase II
- Chromosomes line up in the middle of the cell.
Anaphase II
- Copies of DNA are separated and move to each end of the cell.
Telophase II
- The cell divides, forming two new nuclei with a complete copy of DNA each.
- Four nuclei form, cells divide, and four new haploid cells are formed.
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Description
Explore the stages of meiosis, from Prophase I to Telophase II. Understand how chromosomes behave during each phase, including pairing, separation, and cell division. Learn about the formation of haploid cells and DNA replication.
