3. Assume that a cell is 2n=2 (diploid has two chromosomes, the same size). DRAW the followingstages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphaseplate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that thechromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you wouldactually only see chromatin during interphasea. For reference this is Metaphase of MITOSISb.G1C.G2a.XXd. Metaphase of MEIOSIS IMetaphase of MEIOSIS IIone gametee.f.OO cC.d.b.e.cf.

Introduction Mitosis and meiosis are two types of cell divisions found in our body. Mitosis cell…

. Assume that a cell is 2n=2 (diploid has two chromosomes, the same size). DRAW the following tages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase late that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the hromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase For reference this is Metaphase of MITOSIS G1 G2 a. a. b. C. X XX b. OC d. C. d. e. f. Metaphase of MEIOSIS I Metaphase of MEIOSIS II one gamete e. C f.

. Assume that a cell is 2n=2 (diploid has two chromosomes, the same size). DRAW the following tages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase late that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the hromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase For reference this is Metaphase of MITOSIS G1 G2 a. a. b. C. X XX b. OC d. C. d. e. f. Metaphase of MEIOSIS I Metaphase of MEIOSIS II one gamete e. C f.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 1ACQ: Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids...

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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.…
1. Your class has been studying cell division in a number of organisms with different chromosome numbers. Unfortunately, the slides showing the different stages of mitosis and meiosis got mixed up, and some of them got lost. The figures below show the 12 slides that you have managed to find. The organism that you have been studying has a 2n number of 8 with one pair of large metacentric chromosomes, one pair of small metacentric chromosomes, one pair of acrocentric chromosomes and one pair of telocentric chromosomes. a. Do any of the recovered slides below show the stages of cell division indicated in the table in the answer sheet? If so, please write only the slide number in the correct place in the table on your answer sheet. b. Consider slide 6 above. What chromosomal event / phase of cell division is being shown here? c. What is wrong with the picture of this stage of cell division?
1. Your class has been studying cell division in a number of organisms with different chromosome numbers. Unfortunately, the slides showing the different stages of mitosis and meiosis got mixed up, and some of them got lost. The figures below show the 12 slides that you have managed to find. The organism that you have been studying has a 2n number of 8 with one pair of large metacentric chromosomes, one pair of small metacentric chromosomes, one pair of acrocentric chromosomes and one pair of telocentric chromosomes. a. Do any of the recovered slides below show the stages of cell division indicated in the table in the answer sheet? If so, please write only the slide number in the correct place in the following, Mitosis, Meosis I and Meosis II. b. Consider slide 6 above. What chromosomal event / phase of cell division is being shown here? c. What is wrong with the picture of this stage of cell division?
11. The region of chromosome that are located at the ends of chromosomes, and needed for chromosomal replication and stability. A. Telomere B. Centromere C. Kinetochore D Spindle
1. A diploid cell contains ____ in its nucleus..a. an even number of chromosomesb. an odd number of chromosomesc. two sister chromatids of each chromosomed. an odd or even number of chromosomes
1. Starting with a “parent” cell that has two homologous chromosomes as pictured below. (diploid), 2n=2 means that this diploid cell has two same-sized, homologous chromosomes. Fill in the circles below. Just draw chromosomes, no spindles or nuclear envelope. “A” and “a” represent alternate alleles of same gene. Use a vertical metaphase plate. Label each cell as haploid (1n) or diploid (2n)= number of chromosomes. 2. There are two pairs of chromosomes in a diploid cell (2n=4). Label the genes and alleles on homologs and sister chromatids. A is on the big chromosome and B is on the smaller chromosome. The genotype is AaBb. Using a vertical metaphase plate, draw the two independent orientations of this AaBb cell in Metaphase I of MEIOSIS. On the lines above, indicate the genes/alleles in the gametes (after cytokinesis II) that would results from that alignment in the circles above (no crossover has occurred). 3. Discuss, agree and indicate the following on this diagram. If the term…
All of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochore
8. The term that describes the classification of chromosome in pairs is called A Karyotype B. Chromosome C. Chromatin D. DNA
1.) Some of the events that occur during mitosis are as follows: 1. separation of sister chromatids to opposite poles 2. condensation of chromatin into compact chromosomes 3. alignment of chromosomes along the cell equator 4. reappearance of nuclear membrane Using the numbers above, match the above-mentioned events occurring during mitosis with the stages in which they occur. Prophase _____ Metaphase _____ Anaphase _____ Telophase 2.) Four different phases that occur during the mitotic phase of cell cycle are as follows: 1. prophase 2. telophase 3. anaphase 4. metaphase The correct order in which phases of the mitotic division occur after G2 phase is __________, _____________, ___________ and ___________.
The cell above is a lung cell of a salamander. In which stage of mitosis is it? What are the structures visible in green and blue fluorescence?
The first suggestion that chromosomes may physically exchange segments came from the microscopic identification of. synapsis sister chromatids chiasmata alleles
Which of the following events does not occur during some stages of interphase? DNA duplication organelle duplication increase in cell size separation of sister chromatids