of chromosomes is halved in each daughter cell 4 daughter cells Somatic Cells Asexual Genetic variation is increased 2 daughter cells Sex Cells Sexual Starts with parent cell DNA is copied in Interphase Goes through PMAT once Haploid Goes through Interphase First Cell division Goes through PMAT twice Diploid
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- 1. Compare and contrast mitosis and meiosis by placing a check in the appropriate space if the feature applies. Features Mitosis Meiosis I Meiosis II Preceded by replication of DNA. Involves a reduction division. Involves synapsis (pairing of homologous chromosomes). Chiasmata formed (crossing over). At metaphase the centromeres lie on the equatorial plane. At metaphase the centromeres of homologous chromosomes lie on either side of the equatorial plane. At anaphase chromatids separate and move to opposite poles. At anaphase homologous chromosomes separate and move to opposite poles. Number of daughter nuclei generated from parent nucleus. (provide the number) Daughter nuclei have the same number (2n) of chromosomes as parent nucleus. Daughter nuclei have 1/2 (n) the number of chromosomes. Daughter nuclei have the same chromosome as the parent nuclei.…Fill 3 blank spaces using MITOSIS MEIOSIS OR FERTILIZATIONBy not explaining the stages,Briefly explain the difference between mitosis and meiosis with reference to the parent cell and the final cells that will form
- In a tabular form, differentiate mitosis and meiosis using the following criteria: Chromosome number of daughter cells Stages Synapsis Crossing over Cell type Number of cells formed Genetic consequencesIn a tabular form, differentiate mitosis and meiosis using the following criteria: Chromosome number of daughter cells Stages Synapsis Crossing over Cell type Number of cells formed Genetic consequences Note: More info about genetic consequences and cell type if possible, you can disregard other criteria or parameter of comparison like synapsis, crossing over.. Complete the following statements using as many ofthe following terms as are appropriate: mitosis, meiosis I (first meiotic division), meiosis II (second meioticdivision), and none (not mitosis nor meiosis I normeiosis II).a. The spindle apparatus is present in cells undergoing_____.b. Chromosome replication occurs just prior to _____.c. The cells resulting from _____ in a haploid cellhave a ploidy of n.d. The cells resulting from _____ in a diploid cellhave a ploidy of n.e. Homologous chromosome pairing regularly occursduring _____.f. Nonhomologous chromosome pairing regularlyoccurs during _____.g. Physical recombination leading to the productionof recombinant progeny classes occurs during_____.h. The separation of sister centromeres occurs during_____.i. Nonsister chromatids are found in the same cellduring _____.
- Table below presents the criteria to be used in comparing mitosis and meiosis. Provide the missing information CRITERIA MITOSIS MEIOSIS Presence of synapses presence of crossing over cell type that undergoes cell division number of daughter cells formed DNA content of cells at start of division DNA content of daughter cells genetic consequencesAssuming a cell starts off with 2 chromosomes, before entering S-phase, draw out this cell would look like, with the labeled and appropriate number of chromosomes during meiosis I. Make sure to-include labeling of stages and major events if applicable.Why is meiosis important? Differentiate it with mitosis. Explain in a detailed manner.
- Picture name - Tradescantia spathacea meiotic cell. HPO (400x)Shown below are photomicrographs of Rhoeo tradescantia cells undergoing meiosis. Answer the following question for each of the photomicrographs: Identify the cytogenetic abnormality observed (ex. ring, chain, laggard, bridge). Identify the meiotic stage in which these aberrations are observed (as shown in the photomicrograph). Explain how these aberrations are formed and relate to the possible causal mutation(s). Will this result to sterile and/or fertile gametes? Explain.Please explain all the questions correctly and in details. 1. EXPLAIN what will happen if the chromosomes were not condensed. 2. DESCRIBE the important events during meiosis that result in a half reduction in the amount of genetic material per cell.Compare Mitosis and Meiosis after watching these videos: Cell Cycle, Mitosis and Meiosis https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-the-cell-cycle-and-mitosis/v/mitosis Mitosis (video) | The cell cycle and mitosis | Khan Academy Mitosis is how cells divide! Learn what happens in all the phases of mitosis: prophase, metaphase, anaphase, and telophase. www.khanacademy.org https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-meiosis/v/phases-of-meiosis-i Phases of meiosis I (video) | Meiosis | Khan Academy How homologous chromosomes separate into two sets. Prophase I, metaphase I, anaphase I, and telophase I. www.khanacademy.org https://www.khanacademy.org/science/biology/cellular-molecular-biology/meiosis/v/comparing-mitosis-and-meiosis?modal=1 Comparison Mitosis vs. Meiosis: Side by Side Comparison Mitosis vs Meiosis