Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 18.4, Problem 1CC
MAKE CONNECTIONS Ø• As you learned in Chapter 12, mitosis gives rise to two daughter cells that are genetically identical to the parent cell. Yet you, the product of many mitotic divisions, are not composed of identical, zygote-like cells. Why?
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Which is a common chromosome configuration during prophase, metaphase, and anaphase?
• Chromosomes materialize as sister chromatids in all stages of mitosis
stay in its condensed form during the mentioned stages of mitosis.
Chromosomes
Chromosomes
seem to be with its homologous pair all throughout the cell's life cycle
O Chromosomes appear as single chromatids in all of the mentioned stages of mitosis.
Using playing cards: what does this arrangement represent?
O Prophase II
O Prophase I
O Mitotic Metaphase
O Mitotic Anaphase
O Metaphase |
O Anaphase II
O Intephase
O Mitotic Telophase
O Metaphase l
O Telophase II
O Anaphase I
Ith the description:
Homologous chromosomes
line up in pairs along the
metaphase plate.
1. Telophase II followed by cytokinesis
Crossing over occurs
between homologous
chromosomes.
2. Metaphase I
3. Anaphase I|
Four haploid, genetically
unique cells are formed.
4. Prophase I
Homologous chromosomes
are separated.
5. Anaphase I
Sister chromatids are
separated.
>
Chapter 18 Solutions
Campbell Biology
Ch. 18.1 - How does binding of the trp corepressor to the trp...Ch. 18.1 - Describe the binding of RNA Polymerase,...Ch. 18.1 - WHAT IF? A certain mutation in E. coli changes...Ch. 18.2 - In general, what are the effects of histone...Ch. 18.2 - MAKE CONNECTIONS Speculate about whether the same...Ch. 18.2 - Compare the roles of general and specific...Ch. 18.2 - Once mRNA encoding a particular protein reaches...Ch. 18.2 - WHAT IF? Suppose you compared the nucleotide...Ch. 18.3 - Compare miRNAs and siRNAs, including their...Ch. 18.3 - WH AT IF? Suppose the mRNA being degraded in...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.arrow_forwardFigure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the mitotic spindle. The nucleus reforms and the cell divides. Cohesin proteins break down and the sister chromatids separate. The kinetochore becomes attached to the mitotic spindle. Cohesin proteins break down and the sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the cohesin proteins. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the cell divides.arrow_forwardVisit this link (http://openstaxcollege.org/l/mitosis) to learn about mitosis. Mitosis results in two identical diploid cells. What structures form during prophase?arrow_forward
- BANG & OLUFSEN Canvas O Mitotic Anaphase O Metaphase I O Mitotic prophase Anaphase I O Anaphase II O Mitotic Metaphase O Intephase O Metaphase II O Prophase I O Telophase I O Telophase II O Mitotic Telophase O Prophase I Short cut Switeh> enable Cen) Comand (intel) CORE IS S (contig # int vlan1 Prng 192. 3.3arrow_forwardDecide whether the following descriptions apply to meiosis, mitosis, or both • Produces somatic cells [Select] . Individual chromosomes align along metaphase plate [Select] 0 Crossing over occurs [Select] > Daughter cells have diploid number of chromosomes Produces genetic variability [Select ] • Includes 2 rounds of cell division [Select ] > [Select]arrow_forwardLearning 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.arrow_forward
- 3. Identify the phase of mitosis that is being described by each statement. Some phases will be described by multiple statements. (P) Prophase _(PR) Prometaphase (M) Metaphase (A) Anaphase (T) Telophase Sister chromatids are pulled apart Chromosomes begin to disappear Nuclear envelope reforms Chromatids align in the center of the cell Chromatids attach to spindles Nuclear envelop breaks down Chromosomes condense and become visible Cell begins to split into daughter cellsarrow_forwardMitosis differs from meiosis in the following ways EXCEPT:(a) Mitosis results in a full complement of chromosomesin two cells, whereas meiosis results in four cells havinghalf the number of chromosomes.(b) In mitosis, all chromosomes are replicated, whereas inmeiosis, only half are replicated.(c) Mitosis only occurs in somatic or body cells, whereasmeiosis occurs in production of gametes or sex cells.(d) None of the above.(e) a and c onlyarrow_forward• Describe one event that occurs in prometaphase of mitosis in eukaryotic cells. • Describe one event that occurs in telophase of mitosis in eukaryotic cells.arrow_forward
- In your own words,briefly describe the process of mitosis and differentiation.arrow_forwardQ1: Do all cells in an organism enter each stage of mitosis at the same time? (Hint: See image of onion root tip at far left in the figure.) Q2: What happens between the end of interphase and early prophase that changes the appearance of the chromosomes? Q3: Explain in your own words the role of the mitotic spindle in mitosis.arrow_forwardfor each phase of mitosis make sure you can describe the events that take places as well as the mechanism(I.e from where to do microtubles form? How do they attach? What proteins are involved in chromosomes condensation? Etc)arrow_forward
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