Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 13P
Define epigenetics, and provide examples illustrating yourdefinition.
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Describe epigenetic inheritance and provide an example.
Distinguish between cis- and trans-epigenetic mechanismsthat maintain epigenetic changes.
In your own words, explain epigenetics. What is it? What are the main epigenetic marks? What do they do in terms of gene transcription? What are the enzymes involved?
Chapter 13 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 13 - 13.1 Devoting a few sentences to each, describes...Ch. 13 - 13.2 Describe and give an example (real or...Ch. 13 - What is meant by the term chromatin remodeling?...Ch. 13 - 13.4 What general role does acetylation of histone...Ch. 13 - 13.5 Describe the roles of writers, readers, and...Ch. 13 - Outline the roles of RNA in eukaryotic gene...Ch. 13 - 13.7 What are the roles of the Polycomb and...Ch. 13 - Most biologists argue that the regulation of gene...Ch. 13 - Compare and contrast the transcriptional...Ch. 13 - The term heterochromatin refers to heavily...
Ch. 13 - 13.11 Compare and contrast promoters and enhancers...Ch. 13 - 13.12 What are the different chromatin...Ch. 13 - 13.13 Define epigenetics, and provide examples...Ch. 13 - What is one proposed role for lncRNAs?Ch. 13 - 13.15 What are the sources of dsRNA? Diagram the...Ch. 13 - How does dsRNA lead to posttranscriptional gene...Ch. 13 - 13.17 A hereditary disease is inherited as an...Ch. 13 - Prob. 18PCh. 13 - Prob. 19PCh. 13 - 13.20 A muscle enzyme called ME is produced by...Ch. 13 - Using the components in the accompanying diagram,...Ch. 13 - 13.22 The majority of this chapter focused on gene...
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- Define epigenetics. Write about epigenetic modification.arrow_forwardIn your own words: Elaborate on the significance of DNA packaging in the inheritance and transmission of traits.arrow_forward. Null alleles (mutant genes) produce no protein product. This is a genetic change. However, epigeneticallysilenced genes also produce no protein product. Howdoes one determine experimentally whether a genehas been silenced by mutation or has been silencedepigenetically?arrow_forward
- A couple well informed about the epigenetic effects of nutritionand dietary supplements such as choline and folatedecided to take supplements before trying to get pregnant.Their first child was born with hair and eye colors very differentfrom the parents and has been consistently praised by teachersfor learning ability and memory. The couple attributes these characteristicsto their intake of epigenetic supplements. Now theywish to have another child and have informed their physician thatthey intend to greatly increase the amount of supplements theytake to increase the epigenetic effects in their child. The physiciancautioned them that studies available in human trials showno effect of choline on learning and that excess intake of folateduring pregnancy may be associated with an increased risk ofautism spectrum disorder in the child. The couple is convincedthat these studies are not conclusive, and while more research isneeded, they intend to pursue their plan of increasing their…arrow_forwardExplain the term Epigenetics ?arrow_forwardDefine epigenetic inheritancearrow_forward
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