Homework Answers
Answer:-
During prophase II, chromosomes condense and the nuclear envelope breaks down, if needed. The centrosomes move apart, the spindle forms between them, and the spindle microtubules begin to capture chromosomes.
The two sister chromatids of each chromosome are captured by
microtubules from opposite spindle poles. In metaphase
II, the chromosomes line up individually along the
metaphase plate.
Hence, the correct options are Early Prophase II, Late
Prophase II & Metaphase II.
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Question 22 1 pts In which phases would the sister chromatids be identical? Select all that...
alagy and Early Develapment Leberatory 2. Identify Homologous Chromosomes and Sister Chromatids in appropriate phases. What...
alagy and Early Develapment Leberatory 2. Identify Homologous Chromosomes and Sister Chromatids in appropriate phases. What are homologous chromosomes? Are they present in all cells? If not, which cells lack homologous chromosomes? Are they present in all stages of mitosis? Are they present in all stages of Meiosis 1? Meiosis II? How do the terms haploid and diploid relate to the presence/absence of homologous chromosomes? What are sister chromatids? During what phase of the cell cycle do sister chromatids form?...
Question 10 1 pts How have the chromosomes changed between early prophase I and late prophase...
Question 10 1 pts How have the chromosomes changed between early prophase I and late prophase I? Select all that apply. Crossing over has occurred. Tetrads have formed. The chromosomes are now composed of 2 sister chromatids. o The nonhomologous chromosomes have paired up. o The chromosomes have not changed. The chromosomes have separated and now have one chromatid. Question 11 1 pts What is the best description of the cell of our imaginary JUL 30
Which events contribute to genetic diversity? Select all that apply. homologues crossover during prophase I sister...
Which events contribute to genetic diversity? Select all that apply. homologues crossover during prophase I sister chromatids crossover independent assortment during metaphase I sexual reproduction mutation asexual reproduction
During which stage or stages (select all stages that apply) of meiosis does DNA condense into...
During which stage or stages (select all stages that apply) of meiosis does DNA condense into chromosomes? Anaphase I Anaphase II Telophase Prophase II Telophase 11 Metaphase Prophase 1 Metaphase 11
Question 13 4 pts Select all of the following phases where "duplicated" chromosomes would be present:...
Question 13 4 pts Select all of the following phases where "duplicated" chromosomes would be present: Hint: Mitosis Phases video Textbook chapter 10 section 10.2 Chapter 10 Practice Question 1 (recall what "duplicated" chromosomes look like, see chapter 10 page) prophase GO 0 metaphase 0 telophase 0 0 prometaphase anaphase
Question 8 10 pts Select all of the events that are unique to meiosis. In other...
Question 8 10 pts Select all of the events that are unique to meiosis. In other words, which events only occur in meiosis? Hint: • Genetic Variation video Compare Mitosis and Meiosis e video Events Unique to Meiosis e video Textbook chapter 11 section 11.1 Attaching of the kinetochore microtubules to the kinetochore. Lining up of chromosomes on the metaphase plate Synapsis of homologous chromosomes. Crossing over Producing recombinant chromosomes Separating of tetrads Pulling of sister chromatids towards opposite sides...
Question 5 9 pts How is meiosis anaphase I distinctly different from mitosis anaphase? Select all...
Question 5 9 pts How is meiosis anaphase I distinctly different from mitosis anaphase? Select all that apply. Hint • Meiosis Phases Part 2 u video • Textbook chapter 11 section 11.1 During melosis anaphase I the non-kinetochore spindles will separate the chromosomes, while during mitosis anaphase the kinetochore spindles will separate the chromosomes, During melosis anaphase I crossing over will take place, while mitosis anaphase does not contain any crossing over. During meiosis anaphase I the homologous chromosomes will...
HILMIUSIS AND MEIOSIS 1. What structures are present in the phases? How many? (Use numbers like...
HILMIUSIS AND MEIOSIS 1. What structures are present in the phases? How many? (Use numbers like 2n, 1n, etc., and terms like dyads, tetrads, replicated chromosomes, chromatids, chromosomes,...) Mitosis Phase Prophase Meiosis Meiosis II Metaphase Anaphase Telophase Cytokinesis Ploidy level after all divisions of 2n cell Number & type of cells produced by division(s) Function in life cycle
SUMMARY – COMPARE MITOSIS AND MEIOSIS 1. What structures are present in the phases? How many?...
SUMMARY – COMPARE MITOSIS AND MEIOSIS 1. What structures are present in the phases? How many? (Use numbers like 2n, 1n, etc., and terms like dyads, tetrads, replicated chromosomes, chromatids, chromosomes, ...) Phase Mitosis Meiosis I Meiosis II Prophase Metaphase Anaphase Telophase Cytokinesis Ploidy level after all divisions of 2n cell Number & type of cells produced by division(s) Function in life cycle
FLUID o True False 1 pts Question 3 Which of the following statements about MEIOSIS are...
FLUID o True False 1 pts Question 3 Which of the following statements about MEIOSIS are CORRECT? Only haploid cells are produced Sister chromatids are separated during anaphase I and homologous chromosomes are separated during anaphase II After crossing over (recombination) the sister chromatids are still identical There are two rounds of cell division following only one round of DNA synthesis non-disjunction can occur during either anaphase I or Il 1 pts Question 4
alagy and Early Develapment Leberatory 2. Identify Homologous Chromosomes and Sister Chromatids in appropriate phases. What are homologous chromosomes? Are they present in all cells? If not, which cells lack homologous chromosomes? Are they present in all stages of mitosis? Are they present in all stages of Meiosis 1? Meiosis II? How do the terms haploid and diploid relate to the presence/absence of homologous chromosomes? What are sister chromatids? During what phase of the cell cycle do sister chromatids form?...
Question 10 1 pts How have the chromosomes changed between early prophase I and late prophase I? Select all that apply. Crossing over has occurred. Tetrads have formed. The chromosomes are now composed of 2 sister chromatids. o The nonhomologous chromosomes have paired up. o The chromosomes have not changed. The chromosomes have separated and now have one chromatid. Question 11 1 pts What is the best description of the cell of our imaginary JUL 30
During which stage or stages (select all stages that apply) of meiosis does DNA condense into chromosomes? Anaphase I Anaphase II Telophase Prophase II Telophase 11 Metaphase Prophase 1 Metaphase 11
Question 13 4 pts Select all of the following phases where "duplicated" chromosomes would be present: Hint: Mitosis Phases video Textbook chapter 10 section 10.2 Chapter 10 Practice Question 1 (recall what "duplicated" chromosomes look like, see chapter 10 page) prophase GO 0 metaphase 0 telophase 0 0 prometaphase anaphase
Question 8 10 pts Select all of the events that are unique to meiosis. In other words, which events only occur in meiosis? Hint: • Genetic Variation video Compare Mitosis and Meiosis e video Events Unique to Meiosis e video Textbook chapter 11 section 11.1 Attaching of the kinetochore microtubules to the kinetochore. Lining up of chromosomes on the metaphase plate Synapsis of homologous chromosomes. Crossing over Producing recombinant chromosomes Separating of tetrads Pulling of sister chromatids towards opposite sides...
Question 5 9 pts How is meiosis anaphase I distinctly different from mitosis anaphase? Select all that apply. Hint • Meiosis Phases Part 2 u video • Textbook chapter 11 section 11.1 During melosis anaphase I the non-kinetochore spindles will separate the chromosomes, while during mitosis anaphase the kinetochore spindles will separate the chromosomes, During melosis anaphase I crossing over will take place, while mitosis anaphase does not contain any crossing over. During meiosis anaphase I the homologous chromosomes will...
HILMIUSIS AND MEIOSIS 1. What structures are present in the phases? How many? (Use numbers like 2n, 1n, etc., and terms like dyads, tetrads, replicated chromosomes, chromatids, chromosomes,...) Mitosis Phase Prophase Meiosis Meiosis II Metaphase Anaphase Telophase Cytokinesis Ploidy level after all divisions of 2n cell Number & type of cells produced by division(s) Function in life cycle
FLUID o True False 1 pts Question 3 Which of the following statements about MEIOSIS are CORRECT? Only haploid cells are produced Sister chromatids are separated during anaphase I and homologous chromosomes are separated during anaphase II After crossing over (recombination) the sister chromatids are still identical There are two rounds of cell division following only one round of DNA synthesis non-disjunction can occur during either anaphase I or Il 1 pts Question 4
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