Cell growth and cell division use a checkpoint at a certain stage of the process. What would be the consequence(s) of a defective checkpoint if the spindle fiber fails to attach to the sister chromatid during meiosis? ormation of the

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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11.
1.
1.
2.
Cell growth and cell division use a checkpoint at a certain stage of the process.
What would be the consequence(s) of a defective checkpoint if the spindle fiber
fails to attach to the sister chromatid during meiosis?
Why do most cancer treatments at present target microtubule formation of the
cell? What are the most recent discoveries in terms of cancer treatment?
Let's Test
Circle T if the statement is true and F if otherwise.
T F 1.
T
T
T
F 2.
LL
F
During the three subphases, the cell grows by producing proteins and
cytoplasmic organelles enabling the cell to prepare for the cell division.
In prophase II of meiotic division, pairing of homologous chromosome and
crossing over occur to trade segments of their chromosomes.
3.
In metaphase of mitosis, the homologous chromosomes align to the
metaphase plate while the microtubules on the opposite poles attach to the
homologue.
F
4.
During prophase, the nucleus and chromatin fiber become tightly coiled which
forms into chromosomes while the nuclear membrane and nucleolus disappear.
Solve for the following products of gametogenesis. Box your final answer.
5-7. How many daughter cells and final chromosome number will be formed
during meiosis from 600 cells each with 6 chromosomes?
Given:
Required:
Solution:
Transcribed Image Text:11. 1. 1. 2. Cell growth and cell division use a checkpoint at a certain stage of the process. What would be the consequence(s) of a defective checkpoint if the spindle fiber fails to attach to the sister chromatid during meiosis? Why do most cancer treatments at present target microtubule formation of the cell? What are the most recent discoveries in terms of cancer treatment? Let's Test Circle T if the statement is true and F if otherwise. T F 1. T T T F 2. LL F During the three subphases, the cell grows by producing proteins and cytoplasmic organelles enabling the cell to prepare for the cell division. In prophase II of meiotic division, pairing of homologous chromosome and crossing over occur to trade segments of their chromosomes. 3. In metaphase of mitosis, the homologous chromosomes align to the metaphase plate while the microtubules on the opposite poles attach to the homologue. F 4. During prophase, the nucleus and chromatin fiber become tightly coiled which forms into chromosomes while the nuclear membrane and nucleolus disappear. Solve for the following products of gametogenesis. Box your final answer. 5-7. How many daughter cells and final chromosome number will be formed during meiosis from 600 cells each with 6 chromosomes? Given: Required: Solution:
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