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1. Introduction to Genetics51m
2. Mendel's Laws of Inheritance3h 37m
3. Extensions to Mendelian Inheritance2h 41m
4. Genetic Mapping and Linkage2h 28m
5. Genetics of Bacteria and Viruses1h 21m
6. Chromosomal Variation1h 48m
7. DNA and Chromosome Structure56m
8. DNA Replication1h 10m
9. Mitosis and Meiosis1h 34m
10. Transcription1h 0m
11. Translation58m
12. Gene Regulation in Prokaryotes1h 19m
13. Gene Regulation in Eukaryotes44m
14. Genetic Control of Development44m
15. Genomes and Genomics1h 50m
16. Transposable Elements47m
17. Mutation, Repair, and Recombination1h 6m
18. Molecular Genetic Tools19m
- Genetic Cloning
  9m
- Methods for Analyzing DNA
  9m
19. Cancer Genetics29m
- Overview of Cancer
  21m
- Cancer Mutations
  7m
20. Quantitative Genetics1h 26m
21. Population Genetics50m
- Hardy Weinberg
  19m
- Allelic Frequency Changes
  31m
22. Evolutionary Genetics29m

13. Gene Regulation in Eukaryotes

Epigenetics, Chromatin Modifications, and Regulation

Genetics

13. Gene Regulation in Eukaryotes

Epigenetics, Chromatin Modifications, and Regulation

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Multiple Choice

Which of the following are examples of epigenetic marks?

Acetylated guanines in DNA

Methylated nucleotides in histone tails

Methylated amino acids in histone tails

All of the above

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Verified step by step guidance

Understand the concept of epigenetic marks: Epigenetic marks are chemical modifications that occur on DNA or histone proteins, affecting gene expression without altering the DNA sequence.

Identify common types of epigenetic marks: The most common epigenetic marks include DNA methylation and histone modifications such as methylation, acetylation, and phosphorylation.

Evaluate the options given: Acetylation typically occurs on histone proteins, not on DNA nucleotides like guanine. Methylation can occur on both DNA and histone proteins.

Consider the role of histone tail modifications: Histone tails can be modified by methylation, which is a recognized epigenetic mark affecting chromatin structure and gene expression.

Determine the correct examples: Methylated amino acids in histone tails are a valid example of epigenetic marks, while acetylated guanines in DNA are not typically recognized as such.