Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 16.4, Problem 2TYK
Summary Introduction
Introduction:
The epigenetic modifications involve acetylation, phosphorylation, glycosylation, and so on. These changes can take place in the cisternae of the rough endoplasmic reticulum (RER), cytoplasm, or Golgi body. The changes are important as they infer specialization and enzymatic activity to the proteins.
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Why is it difficult to study whether a trait is due to epigenetic changes or due to something else? (Hint: What are the other things that may cause disease?) (Minimum of 2 complete sentences.)
Which of the following is an example of epigenetic modulation?
a)
Ionization-induced DNA damage
b)
Single nucleotide polymorphism (SNP)
c)
Free-radical induced DNA damage
d)
Histone modifications of DNA
Which of the following epigenetic changes could lead to reduced transcription of a particular gene?. Please make sure to select all correct answers
Chapter 16 Solutions
Principles of Biology
Ch. 16.1 - Which of the following is an epigenetic change...Ch. 16.2 - If you crossed an Igf 2 Igf 2- male mouse to an...Ch. 16.2 - Prob. 1TYKCh. 16.2 - Prob. 2TYKCh. 16.3 - Prob. 1CCCh. 16.3 - Prob. 1TYKCh. 16.3 - Which of the following statements regarding...Ch. 16.4 - Prob. 1TYKCh. 16.4 - Prob. 2TYKCh. 16.5 - Prob. 1BC
Ch. 16.5 - Prob. 1CCCh. 16.5 - Prob. 1TYKCh. 16.5 - Prob. 2TYKCh. 16.6 - Prob. 1CCCh. 16.6 - Prob. 1BCCh. 16.6 - Prob. 1TYKCh. 16.6 - Genes that are linked do not conform to Mendels...Ch. 16 - Which of the following is an example of an...Ch. 16 - In mice, the allele of the Igf2 gene that is...Ch. 16 - Prob. 3TYCh. 16 - The marking process for genomic imprinting...Ch. 16 - According to Mary Lyons hypothesis, the patchwork...Ch. 16 - Prob. 6TYCh. 16 - Prob. 7TYCh. 16 - Prob. 8TYCh. 16 - Prob. 9TYCh. 16 - Prob. 10TYCh. 16 - Prob. 1CCQCh. 16 - Prob. 2CCQCh. 16 - Prob. 3CCQCh. 16 - Prob. 1CBQCh. 16 - Prob. 2CBQ
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- Which of the following statements does not accurately complete this statement: An epigenetic trait _________. can be passed from mother cell to daughter cell by mitosis can be passed to the next generation by meiosis is a change in the DNA sequence causes changes in gene expression All are accurate Of the following, which is a good example of epigenetic changes? methylation of DNA bases addition of acetyl groups to histones CpG islands imprinting of genes All are good examples of epigenetic changesarrow_forwardIf you were to design an epigenetic experiment, how would you design one? Keep in mind a good experiment should have a strong, testable hypothesis, an overall goal, and expected results. What did agouti mice elucidate about how epigenetics are functioning? How does the structure of DNA change how genes are expressed? What are the different epigenetic modifications and what do they do?arrow_forwardWhich of the following is not a major mechanism of epigenetic change? a. DNA methylation b. Alteration of a DNA base sequence in a promoter c. Histone acetylation d. Action of RNA moleculesarrow_forward
- Define Epigenetic changes. Are epigenetic changes the same thing as mutations? Explain why or why not.arrow_forwardHow is an epigenetic change different from a mutation?arrow_forwardAn epigenetic study of maternal care in mice was used to study transgenerational epigenetic inheritance. This study found that increased maternal care during childhood resulted in lower stress levels as adults and decreased maternal care with their own offspring. Increased maternal care during childhood resulted in lower stress levels as adults and increased maternal care with their own offspring. Increased maternal care during childhood resulted in higher stress levels as adults and decreased maternal care with their own offspring. Increased maternal care during childhood resulted in higher stress levels as adults and increased maternal care with their own offspring.arrow_forward
- Define epigenetics. Are all epigenetic changes passed from parentto offspring? Explain.arrow_forwardWhat are the three kinds of epigenetic mechanisms?arrow_forwardWhat is the key difference between cis- and trans-epigenetic mechanisms for maintaining an epigenetic modification? We considered genomic imprinting of the Igf2 gene, in whichoffspring express the copy of the gene they inherit from their father,but not the copy they inherit from their mother. Is this a cisora trans-epigenetic mechanism?arrow_forward
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