Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 15, Problem 7TY
Summary Introduction
Introduction: Metaphase of meiosis I is characterized by the alignment of bivalents along the metaphase plate. In the case of meiosis II and mitosis, sister chromatids are aligned along the metaphase plate instead of bivalents. A cell has seven replicated chromosomes aligned along the metaphase plate of a particular cell.
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Mitosis is used to make more body cells while meiosis is only used to make gametes for sexual reproduction.
Use the diagram to identify one similarity and one difference between mitosis and meiosis. Your answer must
specifically refer to this diagram. [i.e. say what specific cells in the diagram show the similarity or difference]
Mitosis
Parent cell
Meiosis
Parent cell
DNA replicates
DNA replicates
2 daughter
cells
2 daughter
cells
4 daughter
cells
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Use the diagram to identify one similarity and one difference between mitosis and meiosis. Your answer must
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Parent cell
Meiosis
Parent cell
DNA replicates
DNA replicates
2 daughter
cells
2 daughter
cells
4 daughter
cells
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a student is starting a cell culture. initially she has 10 diploid cells with 2n =4
chromosomes. how many cells will be found in this cell culture after all cells
complete mitotic division? what will be the number of chromosomes per cell in
the daughter cells?
Chapter 15 Solutions
Biology
Ch. 15.1 - Researchers usually treat cells with drugs that...Ch. 15.1 - Which phases make up interphase?Ch. 15.1 - Prob. 1BCCh. 15.1 - Prob. 1EQCh. 15.1 - The Eukaryotic Cell Cycle CoreSKILL What...Ch. 15.1 - Prob. 3EQCh. 15.2 - Prob. 1CCCh. 15.2 - Prob. 2CCCh. 15.2 - Mitotic Cell Division Concept Check: What are the...Ch. 15.3 - Prob. 1CC
Ch. 15.3 - Sexual Reproduction Concept Check: What is the...Ch. 15.4 - Variation in Chromosome Structure and Number...Ch. 15 - Prob. 1TYCh. 15 - Prob. 2TYCh. 15 - Prob. 3TYCh. 15 - Prob. 4TYCh. 15 - Prob. 5TYCh. 15 - Which of the following is not an event of anaphase...Ch. 15 - Prob. 7TYCh. 15 - Which of the following statements accurately...Ch. 15 - Prob. 9TYCh. 15 - Aneuploidy may be the result of a. duplication of...Ch. 15 - Prob. 1CQCh. 15 - Prob. 2CQCh. 15 - Prob. 3CQCh. 15 - Prob. 1COQCh. 15 - A diploid eukaryotic cell has 10 chromosomes (5...
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- Non-disjunction is the word we use to describe the failure of a pair of homologous chromosomes or sister chromatids to be separated during a cell division. Imagine a diploid cell with a genome contained in two unique chromosomes (chromosome A and chromosome B). On a sheet of paper, sketch the process of meiosis for this cell. Differentiate homologous chromosomes as A', A", B', B". Use the sketch to answer the following questions: 1) What chromosomes do your four gametes contain? 2) How would it be possible to get a different combination of the chromosome homologs in the gametes? 3) What chromosomes will the four gametes contain if non-disjunction occurs for chromosome B in meiosis I? 4) What chromosomes will the four gametes contain if non-disjunction occurs for chromosome A" in meiosis II?arrow_forwardIdentify the correct features by dragging the labels/descriptions to their correct targets. A Bivalent (A) P1 M2 M1 P2 duplicated homologous chromosomes line up ind ndently at the metaphase plate (8) M1 P1 CH P2 M2 duplicated homologous chromosomes pair before lining up at the metaphase plate C B Sister chromatid Division that results in nonidentical daughter cells Division that results in identical daughter cellsarrow_forwardThe following pairs of term differentiate mitosis from meiosis. Describe the pair of terms briefly. 1. Somatic cells vs. sex cells 2. Haploid cells vs. Diploid cells 3. Homologous chromosomes vs. Sister chromatids 4. Daughter cells vs. 2 daughter cells 5. 2n = 6 vs n = 3arrow_forward
- Imagine a precursor germ cell (which will become a sperm or egg cell) from a diploid organism. Before the cell undergoes meiosis, it has a total of 40 chromosomes. Which of the following are true for this cell? Select all that apply The value of n is 40 After the first meiotic division, the cells will be haploid After the second meiotic division, there will be four cells When meiosis is complete, the sperm/egg will have 20 chromosomesarrow_forwardMitosis is used to make more body cells while meiosis is only used to make gametes for sexual reproduction. What would be a problem if an organism tried to use mitosis for sexual reproduction instead of meiosis? Mitosis Parent cell Meiosis Parent cell DNA replicates DNA replicates 2 daughter cells 2 daughter cells 4 daughter cells U.S. National Library of Medicine (Level 3) étv МacBook Air DII DD 80 888 F7 F8 F9 F10 F4 F5 F6 F2 F3 23 $ & 3 4 9. 7 8 9 Y F H J K L C V M B Earrow_forwardcell type: 9) Label the figure below. Chromosome number: cytokinesis by: division type: А- В- С- D- E- the halves the number of chromosomes, and at the same time, stage. The result is 10) daughter cells event that causes genetic diversity takes place in called (n? 2n?). An organism with two of each kind of chromosome is said to be: (3) tetraploid (1) haploid (2) diploid (4) polyploid. In multicellular organisms, mitosis results in: (1) reproduction (2) growth and repair (3) sperm and egg production (4) fertilization. If an organism produced an egg that had 20 chromosomes, the body cells of that organism should have: (1) 10 chromosomes (2) 20 chromosomes (3) 30 chromosomes (4) 40 chromosomes. 11) is what helps us grow and is why we are all unique! Human female karyotype contains .... (number) pairs autosomal and sex chromosomes. separate to go opposite poles in Anaphase in mitosis, while in Meiosis in AnaphaseI. (how many?) 12) If a diploid parent cell with 8 chromosomes (2n=8)…arrow_forward
- Draw or explain in a simple manner what needs to be done in each step of modeling mitosis. Steps/ Procedure: 1. Tie the ends of a 10-ft (3-m) piece of string together and form a circle on the table. This represents the cell membrane of a parent cell. 2. Make a smaller circle from a 5-ft (1.5-m) piece of string to create a nuclear membrane, and place it inside the cell membrane. 3. Place 1 sock of each pair into its mate and jumble the socks inside the nuclear membrane. 4. During interphase, the cell prepares for nuclear division and DNA replicates. To simulate replication, remove a mate from each pair of socks. Match sister chromatids and connect them at their centromere by tying the matching pairs together at their centers with a small piece of string. Place them back into the nuclear membrane, jumbling them up. 5. Mitotic division now begins with prophase. During this phase, DNA condenses into chromosomes made up of 2 identical sister chromatids, and the nuclear membrane breaks…arrow_forwardThe image below shows a somatic cell from an organism for which 2n = 8 (top cell from the image below). Which of the cells beneath it (A, B, C or D) could be a gamete from this organism? Explain why you chose the cell you did discussing the changes in chromosome number and DNA content of a cell throughout the cell cycle. You should also explain if any of the other images could represent a cell from this organism in stages of meiosis or mitosis or other stages of the cell cycle. XX Xx XX XX B VV K OC "₁ X X A Xxxx Sexxxarrow_forwardMetaphase and Meiosis are distinct cellular processes. Draw and label two cells that illustrate the cell pictured below in Metaphase of Mitosis and Metaphase I of Meiosis. Indicate the position of all chromosomes, centrosomes and microtubules.arrow_forward
- Complete the table.arrow_forwardThe dog Canis familiaris is a diploid organism with 39 pairs of homologous chromosomes. For the dog, how many chromosomes and chromatids are present in one nucleus at each of the following stages of the cell cycle? Also state whether each of the entries are diploid or haploid. i. A somatic cell before replication ii. A somatic cell after replication iii. A somatic cell in Prophase of mitosisarrow_forwardThe following diagram is meant to help you understand how the amount of DNA in a cell changes as the cell cycle progresses. On the diagram, identify two of the stages of the cell cycle being described and identify how much DNA exists per cell, where a cell is defined as a distinct nucleus. Note that the sequence of images highlights one of the chromosomes of the cell. The other chromosomes, while also present, are faded in the background. Stage in Cell Cycle: A Status of Chromosomes: (Only one of the chromosomes is intensely colored) NANA INNNNNNN wwwww wwwNYA wwwww WXXXX VANNNNNN www Amount of DNA Per Cell: C NNNNA NNNNNN WWXXXXX NNNNNNE WNNNN www B NNNNN Between 1X and 2X 2X D 1Xarrow_forward
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