Genetic recombination or "crossing over" and random assortment are two ways in which genetic diversity is produced, and these processes take place during mitosis meiosis
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Genetic recombination or "crossing over" and random assortment are two ways in which genetic diversity is produced, and these processes take place during
mitosis
meiosis
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- During which of the following steps does is genetic diversity produced? Mark all that apply. During prophase of mitosis During prophase I of meiosis During prophase II of meiosis During anaphase I of meiosis During fertilizationWhich of the following statements does BEST compare the processes of mitosis and meiosis? Group of answer choices Mitosis involves two division cycles and results in haploid gametes, while meiosis consists of one division cycle and results in a diploid daughter cell Mitosis involves two division cycles and results in diploid daughter cells, while meiosis consists of one division cycle and results in haploid gametes. Mitosis involves one division cycle and results in diploid daughter cells, while meiosis consists of two division cycles and results in haploid gametes. Mitosis involves one division cycle and results in haploid gametes, while meiosis consists of two division cycles and results in diploid daughter cells.Mitosis and meiosis are two types of nuclear divisions. Nucleus divides twice in meiosis. Among the following tables, which table correctly corelates to nuclear divisions? Genetic Reduction В Reduction A Genetic variation division variation division Mitosis X X Mitosis X Meiosis- Meiosis-I X Meiosis-II Meiosis-II Reduction division Genetic Reduction C Genetic D variation variation division Mitosis X Mitosis X X Meiosis-t Meiosis-I Meiosis-II X X X Meiosis-II
- Which of the following statements about mitosis and meisois are TRUE? (check all that apply) Mitosis produces genetically identical cells, whereas meiosis produces genetically variable (different) cells. Mitosis consists of a single nuclear division, whereas meiosis consists of two nuclear divisions. DNA replication occurs prior to mitosis and meiosis I. Crossing over occurs in both meiosis I and meiosis II. The number of chromsoomes in newly formed cells is the same as the mother cell in both mitosis and meiosis. 00000In regards to MEIOSIS, give the order of the following events in terms of chromosome number. Question 48 options: meiosis 1 and cytokinesis one cell containing 92 chromosomes meiosis 2 and cytokinesis a total of four cells, each containing 23 chromosomes one cell containing 46 chromosomes two cells containing 46 chromosomesArrange the events in chronological order for the physical process of meiotic recombination. Prophase I of meiosis begins. Recombination is complete. Homologous chromosomes pair together. Enzymes break both strands of DNA in one chromosome. The 3' overhang strand of DNA invades the double helix of the homologous chromosome. Enzymes resolve the Holliday junction. The duplexed strand of DNA serves as a primer for synthesis of new DNA. Enzymes degrade the 5' strands of DNA.
- Construct a table similar to that in Figure 2.12 for the different stages of meiosis, giving the number of chromosomes per cell and the number of DNA molecules per cell for a cell that begins with 4 chromosomes (two homologous pairs) in G1. Include the following stages in your table: G1, S, G2, prophase I, metaphase I, anaphase I, telophase I (after cytokinesis), prophase II, metaphase II, anaphase II, and telophase II (after cytokinesis).Which of the following features or events occur ONLY during prophase I of meiosis and do NOT occur during EITHER prophase II of meiosis OR prophase/prometaphase of mitosis? Mark all that apply. Chromatin condensation Crossing-over occurs Homologous chromosomes alignment Spindle assembly Synaptonemal complex formationList the differences between Prophase of mitosis and Prophase I of meiosis. How do these differences contribute/ lead to genetic variation?
- Nondisjunction results in uneven distribution of chromosomes during meiosis. Which of the following are true during meiosis? Select all that apply When nondisjunction occurs in meiosis II, sister chromatids fail to separate When nondisjunction occurs in meiosis I, homologous chromosomes fail to separate If a cell has a diploid number of 6 (2n =6), and one pair of chromosomes experiences nondisjunction during meiosis I, then two cells will have 4 chromosomes, and two cells will have 2 chromosomes If a cell has a diploid number of 6 (2n =6), and one pair of chromosomes experiences nondisjunction during meiosis I, then two cells will have 6 chromosomes, and two cells will have noneDuring which one of the following options would you expect the arrangement of chromosomes shown in Figure 1 to occur? Prophase of mitosis Prophase of meiosis I Prophase of meiosis IIexplain how the Law of Segregation and the Law of Independent Assortment relate directly to chromosome movements during meiosis. Which particular stages of meiosis demonstrate each of these two laws?