Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 11PDQ
What are the functions of IncRNAs in epigenetic regulation? Describe each in detail.
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List and briefly describe five types of molecular mechanisms thatmay underlie epigenetic gene regulation.
In general, explain how epigenetic modifications are an important mechanism for developmental changes that lead to specialized body parts and cell types. How do the protein complexes called the trithorax and polycomb groups participate in this process?
Give the examples of epigenetic modifications ?
Chapter 19 Solutions
Concepts of Genetics (12th Edition)
Ch. 19 - Although histone modifications can activate or...Ch. 19 - Prob. 2NSTCh. 19 - Prob. 1CSCh. 19 - Prob. 2CSCh. 19 - A couple well informed about the epigenetic...Ch. 19 - Prob. 1PDQCh. 19 - Prob. 2PDQCh. 19 - Prob. 3PDQCh. 19 - Prob. 4PDQCh. 19 - Prob. 5PDQ
Ch. 19 - Prob. 6PDQCh. 19 - Prob. 7PDQCh. 19 - Prob. 8PDQCh. 19 - Prob. 9PDQCh. 19 - Prob. 10PDQCh. 19 - What are the functions of IncRNAs in epigenetic...Ch. 19 - Prob. 12PDQCh. 19 - What are the differences and similarities among...Ch. 19 - Prob. 14PDQCh. 19 - Prob. 15PDQCh. 19 - Should fertility clinics be required by law to...Ch. 19 - Prob. 17PDQCh. 19 - Prob. 18PDQCh. 19 - A developmental disorder in humans called spina...Ch. 19 - Prob. 20PDQCh. 19 - PraderWilli syndrome (PWS) is a genetic disorder...Ch. 19 - Prob. 22ESPCh. 19 - Prob. 23ESPCh. 19 - Methylation of H3K9 by itself silences genes, but...
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- What is epigenetics and what are the three major epigenetic modification mechanisms?arrow_forwardList factors influencing epigenetic tags. What can the resulting epigenetic changes lead to? Provide at least one example.arrow_forwardWhat are transcription factors and why are they important? Explain.arrow_forward
- (1)What is epigenetics? What is the role of methylation in epigenetics? At what level (Replication, Transcription, Translation) does epigenetics act? (2) What is the effect of splicing on RNA? What is the purpose of alternate splicing? (3) If a DNA sequence is 5' TCC GGT CAT 3' what are the RNA and protein sequences that can be made from the strand? Use this codon table บบบา UUC UUA UUG CUU CUC CUA CUG AUU AUC AUA AUG a GUU GUC GUA GUG. Phe Leu Leu lle Met Val UCU UCC UCA UCG CCU CCC CCA CCG ACU ACC ACA ACG GCU GCC GCA GCG Ser Pro Thr Ala UAU UAC UAA UAG CAU č} CAC CAA CAG AAU AAC AAA AAG GAU GAC GAG} Tyr Stop His Gln Asn Lys Asp Glu UGU UGC Cys UGA Stop UGG Trp CGU CGC CGA CGG AGU AGC AGA à} AGG GGU GGC GGA GGG Arg Ser Arg Gly 4. Normal yeast cells can survive on a diet of sugars, a few simple salts and one vitamin. They can make all of their amino acids and other vitamins using what can be found in their diet. You identify a mutant strain that can only survive if given alanine, which…arrow_forwardDefine the epigenetic mechanisms - regulation of gene expression by noncoding RNA molecules ?arrow_forwardWhat are the mechanisms by which regulation bysRNA occurs?arrow_forward
- What is Post-Transcriptional Control, and why is it Important? Give an example, and explain the process.arrow_forwardWhat are the two main components to activation of transcription via epigenetic mechanisms?arrow_forwardWhat condition must be fulfilled in order for histone modification to be considered an epigenetic phenomenon? Does DNA methylation meet that criterion? Explain.arrow_forward
- Heritable effects of gene expression that are not caused by a change in DNA sequence are called epigenic changes. What causes these changes?arrow_forwardIn general, explain how epigenetic modifications are an important mechanism for developmental changes that lead to specialized body parts and cell types. How do the trithorax and polycomb group complexes participate in thisprocess?arrow_forwardWhat are the cytoplasmic mechanisms of Post Transcriptional control?arrow_forward
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