Table of contents

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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

9. Mitosis and Meiosis

Mitosis

Genetics

9. Mitosis and Meiosis

Mitosis

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Multiple Choice

During mitosis, two sister chromatids are held together at the:

kinetochore

spindle fiber

telomere

centromere

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Verified step by step guidance

Understand the structure of a chromosome during mitosis: each chromosome consists of two sister chromatids joined together.

Recall that sister chromatids are connected at a specific region called the centromere, which is crucial for their proper segregation.

Identify the role of the centromere as the attachment site for spindle fibers via the kinetochore during mitosis.

Differentiate between the terms: kinetochore (protein complex on the centromere), spindle fibers (microtubules that pull chromatids apart), and telomeres (ends of chromatids).

Conclude that the correct answer is the centromere, as it is the region where sister chromatids are held together.