Week 9

Mitosis Meiosis Definition Prophase Metaphase Anaphase Telophase Prophase I Metaphase I Anaphase I Telophase I Prophase II Metaphase II Anaphase II Telophase II Steps of each phase Number of cell divisions Number of cells produced *How many chromosomes per 46 daughter cell? * Mitosis starts with 46 chromosomes in each parent cell, and then ends with 46 chromosomes in each daughter cell. Cells divide onl once in Mitosis, but they divide twice during Meiosis, so we should end with half as many chromosomes in Meiosis vs Mitosis.

Lab 11- Mitosis & Meiosis If provided microscope images of plant cells, can you determine if they are in Interphase and/or identify the particular Mitosis stage (Pro, Prometa, Meta, Ana, Telo)? If provided meiosis beads (like what we used in lab), can you look at how they are arranged and determine what meiosis stage is being represented (the stage name and if it's from Meiosis-l or Meiosis-II)?

State 3 important results of meiosis. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). TTT Arial ✓ 3 (12pt) ✓ T-E One parent cell undergoes mitosis, which results in the division of two identical daughter cells. Definition of primal Mitosis is the mechanism of reproduction in unicellular eukaryotes. For eukaryotes with many cells: Mitosis boosts cell production and promotes bodily growth and development.Damaged tissues or organs can be repaired by mitosis.Mitosis is a kind of reproduction for vegetative organisms that results in offspring with the same genotype as the parent.

Learning Task 2: Directions: Identify if the statement is Mitosis or Meiosis. 11. 12. 13. 14. attach to the chromatids at the centromere and pull apart the chromatids. 15. is a continuous process of cell division which occurs in all types of living cells. involves four basic phases - prophase, metaphase, anaphase and telophase. in humans, this means the chromosome number is reduced from 46 to 23. In _the nuclear membrane is broken down, spindle fibers (microtubules) each nucleus is identical to the original nucleus as it was in G1.

Match the phases of meiosis with the correct description Metaphase I [ Choose ] [Choose ] Sister chromatids line up along the center of the cell. Cytokinesis produces four unique daughter cells, spindle dissolve, and the nuclear envelope reappears. Spindle fibers pull homologous pairs of chromosomes apart. Nuclear envelopes of daughter cells dissolve, and chromosomes condense. Spindle fibers pull sister chromatids apart. Homologous pairs of chromosomes line up at the center of the cell in tetrads. Cytokinesis produces two daughter cells, spindle dissolves, and nuclear envelope reappears. Nuclear envelope dissolves, DNA condenses and crossing over occurs. Anaphase II Prophase I Telophase I [Choose ] Prophase II [ Choose ] Telophase II [ Choose ] Anaphase I [ Choose ] Metaphase II [ Choose ] > > >

Task: Order the events leading up to and during meiosis : Sister chromatids are separated | Chromosomes are replicated | Crossing over occurs 3 : Homologous pairs separate 4 | Production of four haploid daughter cells 5 | Sister chromatids line up along the middle 7 Homologous pairs are lined up along the middle 8 | First division and cytokinesis completed ::: 2.

Focus on drawing the cell nucleus taking care to model the number and location of chromosomes. Although the chromosomes are only visible in each stage, draw them in all stages for clarity sake. (There needs to be a model drawing) What would a 2n=10 cell look like during prophase I? What would that cell look like during metaphase I? At the end of meiosis I? During metaphase II? At the end of meiosis II?

estion 42 Which of the following statements is TRUE of the chromosomal makeup of cells during interkinesis of Meiosis? The cells are diploid, and the chromosomes are each composed of a single chromatid. he cells are diploid, and the chromosomes are each composed of two chromatids. The cells are haploid, and the chromosomes are each composed of a single chromatid. The cells are haploid, and the chromosomes are each composed of two chromatids.

Chapter 5: Mitosis and Meiosis BLM 5.1-2 A Diagrammatic Comparison of Mitosis and Meiosis Name: Draw chromosomes in the following cells to represent the various stages of mitosis and meiosis for an organism with a diploid number of 4. Label your diagrams with descriptions of the chromosomes and the key events that are occurring during this stage of the process.

Meiosis: Events Put the letter of each meiotic stage next to the correct event. Use each answer choice and only once. Synapsis and crossing over [Choose ] [Choose] Prophase I Telophase II Prophase I Telophase I Spindle forms Chromosomes decondense [Choose ] The cell contains two haploid sets of [Choose] chromosomes. Each chromosome is made up of two sister chromatids held together with a centromere.

Match the phases of meiosis with their descriptions.   Question 6 options:   chromatids of chromosomes are pulled apart and move toward the cell sides   nuclear membrane disappears and tetrads form   chromosomes align along the middle of the cell   tetrads align along the middle of the cell   chromosomes from tetrads reach the sides of the cells and the nulcear membrane reforms   chromatids of chromosomes reach the cell sides and the nuclear membrane reforms; cytokinesis occurs near the end   chromosomes reside in the cell's center and the nuclear membrane disappears   chromosomes of tetrads separate and move toward the cell sides   1. prophase 1 2. metaphase 1 3. anaphase 1 4. telophase 1 5. prophase 2 6. metaphase 2 7. anaphase 2 8. telophase 2

please explain this in a length of a full page as much detail please  1.What are the primary functions of cell division (Mitosis) as compared to Meiosis, how are the daughter cells produced in each process different?

Picture 1 Picture 2 Picture 3 Picture 4 Picture 5 Picture 6 Meiosis stage descriptions 7. homologous pairs line up as tetrads along the middle of the cell 8. one of each homologous pair reaches the ends of the cell, the cell begins pinching in, and two new nuclear membranes form 9. DNA condenses in two haploid cells, the nuclear membranes disintegrate 10. sister chromatids split apart and daughter chromosomes move towards the ends of twn cells

Meiosis stage descriptions 7.  homologous pairs line up as tetrads along the middle of the cell 8.  one of each homologous pair reaches the ends of the cell, the cell begins pinching in, and two new nuclear membranes form 9.  DNA condenses in two haploid cells, the nuclear membranes disintegrate 10.  sister chromatids split apart and daughter chromosomes move towards the ends of two cells 11.  DNA replication has occured, DNA decondensed in one cell 12.  four cells with half of the genetic material of a body cell result, all are different from each other Match the picture or the image with the name of the stage it represents.  Use each stage just once for either an image or description.

Comic San.. BIUA ===|三 Normal text 12 II1 3 CP Unit 6 Review: Meiosis Page 1. What type of cell undergoes meiosis? Gamete cells Somațic cells or 2. What are homologous chromosomes? 3. For each of the following state if the cell is haploid or diploid. Sperm cell = Liver cell = Egg cell = Stomach cell = 4. If the diploid number in a liver cell is 52, how many chromosomes are there in the egg of this organism? 5. During meiosis, the chromosome number: a) is doubled becomes diploid b) is reduced c) remains the same d) 6. Cells starting mitosis & meiosis begin with a (haploid or diploid) set of chromosomes. 7. How many times do cells divide during meiosis? 8. What are the stages of meiosis called? Meiosis I: II lılı

Learning Task 2: Directions: Identify if the statement is Mitosis or Meiosis. the form of nuclear cell division that results in daughter cells that have one half the 16. chromosome numbers as the original cell. 17. cell gets one complete set of chromosomes, i.e., one of each homologous pair of chromosomes. 18. 19. 20. chromosomes to 46. In organisms that are diploid, the end result is cells that are haploid. Each daughter is the process where the division of cell occurs by asexual reproduction. Lis the only cells that undergo. The joining together of a sperm and egg during fertilization returns the number of the will become sperm or eggs.

x * X Given the cell shown here, answer the following three questions. 1. Describe the ploidy and total chromosome count of this cell without using any words. 2. What checkpoint in the cell cycle will allow this cell to move to the next phase? 3. What will be the ploidy of the two resulting daughter cells? 4. If non-disjunction occurred in one of the chromosomes shown here, what would be the ploidy of each of the resulting daughter cells?

What is the fundamental difference between mitosis and meiosis?  Be sure to include the following: types of cells produced by each process (haploid or diploid) (body cells or sex cells) types of cells that undergo each process stages involved in each process number of times the DNA is replicated number of divisions involved in each process

Mitosis DrawingIn this assignment you will track and draw the chromosomes of a diploid organism through all the stages of mitosis. Make sure to draw the alleles for genes A and B on the chromatids in every stage. For mitosis, remember that many events are going on in the cell that are relevant besides just the movement of chromosomes, so please fill in the cell with pertinent structures such as centrioles and spindles.

| The Role of Meiosis Key Idea: There are two types of cell division in eukaryotes, mitosis and meiosis, but only meiosis produces cells that are genetically different to the parent cell. New cells are formed when existing cells divide. There are two forms of cell division in eukaryotes, mitosis and meiosis. Mitosis produces two identical daughter cells from a parent cell. Meiosis is a special type of cell division, and produces sex cells (gametes or spores) for sexual reproduction. In sexual reproduction, sex cells from two parents combine to form an individual that is genetically different to its parents. The sex cells in humans, called eggs and sperm, are produced by meiosis. Events occurring during meiosis creates gametes with unique combinations of gene variants and so creates genetic variability. Sexual reproduction rearranges and reshuffles the genetic material into new combinations. This is why family members may look similar, but they'll never be identical (except for…