Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 10, Problem 9CONQ
Summary Introduction
To review:
The consequences of deletion of the centromere from a chromosome.
Introduction:
The chromosome is a highly compressed form of the deoxyribonucleic acid (DNA) present in the nucleus. A eukaryotic nucleus contains multiple chromosomes, each having different kinds of genes that encode proteins which are responsible for particular functions inside the cell.
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Chapter 10 Solutions
Genetics: Analysis and Principles
Ch. 10.1 - 1. A bacterial chromosome typically contains
a. a...Ch. 10.2 - Mechanisms that make the bacterial chromosome more...Ch. 10.2 - 2. Negative supercoiling may enhance activities...Ch. 10.2 - 3. DNA gyrase
a. promotes negative supercoiling....Ch. 10.3 - 1. The chromosomes of eukaryotes typically contain...Ch. 10.4 - Which of the following is an example of a...Ch. 10.5 - What are the components of a single nucleosome? a....Ch. 10.5 - 2. In Noll’s experiment to test the...Ch. 10.5 - Prob. 3COMQCh. 10.5 - Prob. 4COMQ
Ch. 10.6 - Prob. 1COMQCh. 10.6 - 2. The role of cohesin is to
a. make chromosomes...Ch. 10 - Prob. 1CONQCh. 10 - Prob. 2CONQCh. 10 - 3. Describe the mechanisms by which bacterial DNA...Ch. 10 - Why is DNA supercoiling called supercoiling rather...Ch. 10 - Prob. 5CONQCh. 10 - Prob. 6CONQCh. 10 - Prob. 7CONQCh. 10 - Prob. 8CONQCh. 10 - Prob. 9CONQCh. 10 - 10. What is the function of a centromere? At what...Ch. 10 - Prob. 11CONQCh. 10 - 12. Describe the structures of a nucleosome and a...Ch. 10 - Beginning with the G1 phase of the cell cycle,...Ch. 10 - Draw a picture depicting the binding between the...Ch. 10 - 15. Compare heterochromatin and euchromatin. What...Ch. 10 - 16. Compare the structure and cell localization of...Ch. 10 - 17. What types of genetic activities occur during...Ch. 10 - Lets assume the linker region of DNA averages 54bp...Ch. 10 - 19. In Figure 10.12, what are we looking at in...Ch. 10 - 20. What are the roles of the core histone...Ch. 10 - A typical eukaryotic chromosome found in humans...Ch. 10 - Which of the following terms should not be used to...Ch. 10 - Discuss the differences between the compaction...Ch. 10 - 24. What is an SMC complex? Describe two...Ch. 10 - Two circular DNA molecules, which we can call...Ch. 10 - 2. Let’s suppose you have isolated DNA from a cell...Ch. 10 - 3. We seem to know more about the structure of...Ch. 10 - In Nolls experiment of Figure 10.11, explain where...Ch. 10 - When chromatin is treated with a salt solution of...Ch. 10 - 6. Let’s suppose you have isolated chromatin from...Ch. 10 - If you were given a sample of chromosomal DNA and...Ch. 10 - Consider how histone proteins bind to DNA and then...Ch. 10 - In Chapter 23, the technique of fluorescence in...Ch. 10 - Bacterial and eukaryotic chromosomes are very...Ch. 10 - The prevalence of highly repetitive sequences...Ch. 10 - Discuss and make a list of the similarities and...
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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
- What is a centromere made up of and Where is a centromere located?arrow_forwardwhat are we looking at in part (b)? Is this an11-nm fiber, a 30-nm fiber, or a 300-nm fiber? Does this DNAcome from a cell during M phase or interphase?arrow_forwardAssuming that 32 million histone octamers arerequired to package the human genome, how many his-tone molecules must be transported per second pernuclear pore complex in cells whose nuclei contain 3000nuclear pores and are dividing once per day?arrow_forward
- Which of the events are special and only occur in prophase 1?arrow_forwardIf transmission of genetic information from cell to cell is normally achieved by copying the complementary DNA molecules how is this information equally shared between two daughter cells?arrow_forwardIn X chromosome inactivation... A-Why it is inactivated? B- How it is inactivated? C-Is the inactivation complete? D-Is it possible to observe any consequences for this inactivation?arrow_forward
- Why are there so many differentchromatin remodeling complexes incells? What are their essential roles,and how do they get loaded ontochromatin at specific places and atspecific times?arrow_forwardAn old genetic observation is that a normally active gene will be silenced if it is moved by transposition or crossing over from an uncondensed (euchromatic) region to a heavily condensed (heterochromatic) region of a chromosome. Assume the euchromatic chromatin containing the active gene is surrounded by heterochromatic chromatin immediately after insertion. Please explain in terms of the control of histone modification why the normally active gene is silenced when it becomes surrounded by condensed regions. (Do not explain how histone modification causes chromatin condensation.)arrow_forwardA part of a sequenced chromosome has the sequence (on one strand)ATTGCATCCGCGCGTGCGCGCGCGATCCCGTTACTTTCCG. Which part of thissequence is most likely to take up the Z conformation?arrow_forward
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