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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

7. DNA and Chromosome Structure

Eukaryotic Chromosome Structure

Genetics

7. DNA and Chromosome Structure

Eukaryotic Chromosome Structure

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Multiple Choice

Which of the following terms is used to describe 'open chromatin' which is loosely packaged DNA?

Heterochromatin

Achromatin

Euchromatin

Mochromatin

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Understand the concept of chromatin: Chromatin is a complex of DNA and protein found in eukaryotic cells, which packages DNA into a more compact, dense shape.

Differentiate between types of chromatin: Chromatin can be classified into two main types based on its density and accessibility: heterochromatin and euchromatin.

Define heterochromatin: Heterochromatin is tightly packed chromatin, making it less accessible for transcription and generally associated with gene silencing.

Define euchromatin: Euchromatin is loosely packed chromatin, which is more accessible for transcription and typically associated with active gene expression.

Identify the term for open chromatin: Based on the definitions, 'open chromatin' refers to euchromatin, which is loosely packaged and accessible for transcription.