Table of contents

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 typically apply to eukaryotic chromosomes?

Contain histones

Located in the nucleoid

Circular

Linear

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Verified step by step guidance

Step 1: Understand the structure of eukaryotic chromosomes. Eukaryotic chromosomes are typically linear DNA molecules associated with proteins called histones, which help in packaging the DNA into a compact structure.

Step 2: Recognize that histones are proteins around which DNA winds, forming nucleosomes. This is a key feature of eukaryotic chromosomes, distinguishing them from prokaryotic chromosomes.

Step 3: Identify the location of eukaryotic chromosomes. They are found inside the nucleus, not in the nucleoid, which is a region in prokaryotic cells where DNA is located.

Step 4: Note the shape of eukaryotic chromosomes. They are linear, unlike prokaryotic chromosomes, which are usually circular.

Step 5: Summarize that the terms 'contain histones' and 'linear' correctly describe eukaryotic chromosomes, while 'located in the nucleoid' and 'circular' are characteristics of prokaryotic chromosomes.