Essentials of Genetics (9th Edition) - Standalone book
9th Edition
ISBN: 9780134047799
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Textbook Question
Chapter CHST1, Problem 2RQ
What parts of the genome are reversibly methylated? How does this affect gene expression?
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What is DNA methylation? When we say that DNA methylation is heritable, what do we mean? How is it passed from a mother to a daughter cell?
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ow does DNA methylation occur?
What enzyme is involved in DNA methylation?
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Chapter CHST1 Solutions
Essentials of Genetics (9th Edition) - Standalone book
Ch. CHST1 - What are the major mechanisms of epigenetic genome...Ch. CHST1 -
2. What parts of the genome are reversibly...Ch. CHST1 - What are the roles of proteins in histone...Ch. CHST1 - Describe how reversible chemical changes to...Ch. CHST1 -
5. What is the histone code?
Ch. CHST1 - Prob. 6RQCh. CHST1 - Why are changes in nucleosome spacing important in...Ch. CHST1 -
8. How do microRNAs regulate epigenetic...Ch. CHST1 - What is the role of imprinting in human genetic...Ch. CHST1 - Imprinting disorders do not involve changes in DNA...
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- What are some of the processes that affect gene regulation by altering chromatin structure?arrow_forwardWhat percentage of the DNA in the genome actually corresponds to genes? How much is actually protein-coding exons? What makes up the rest?arrow_forwardHow does adding a methyl or acetyl group to a histone protein alter gene activity?arrow_forward
- What is the relationship between methylation and genomic imprinting? Differential methylation of DNA in males and females results in only one of the parental alleles being transcriptionally active in the offspring Reversible methylation of DNA inherited from the mother results in the maternal alleles being expressed early in development DNA methylation silences the alleles inherited from both parents, so no alleles are transcriptionally active. Reversible methylation of DNA inherited from the father results in the paternal alleles being expressed only late in developmentarrow_forwardWhat is the long term and short term effects of mutation on coding and non-coding DNA, the amount of transposable elements and birth and death of genes? And how does it exert the effect?arrow_forwardWhy is the repression of genes by DNA methylation long-term?arrow_forward
- There are several different types of genes within a genome that serve specific functions within the cell. What are protein coding genes, tRNAs, rRNAs, and regulatory RNAs? What are the parts of a protein coding gene?arrow_forwardHow many protein coding genes would expect to be affected if the mutations are distributed randomly?arrow_forwardWhat is the most efficient way to regulate gene expression from the perspective of cellular resources?arrow_forward
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