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

Which of the following best describes the effect of mitosis on chromosome number in daughter cells?

Mitosis produces daughter cells with the same chromosome number as the parent cell.

Mitosis results in daughter cells with a random chromosome number.

Mitosis reduces the chromosome number by half in daughter cells.

Mitosis doubles the chromosome number in daughter cells.

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Verified step by step guidance

Step 1: Understand the purpose of mitosis. Mitosis is a type of cell division that results in two daughter cells, each genetically identical to the parent cell.

Step 2: Recall that chromosome number refers to the total number of chromosomes present in a cell. In humans, for example, this number is 46 in somatic cells.

Step 3: During mitosis, the chromosomes are duplicated during the S phase of the cell cycle, so each chromosome consists of two sister chromatids before division.

Step 4: In mitosis, the sister chromatids are separated into two new nuclei, ensuring each daughter cell receives one copy of each chromosome, maintaining the original chromosome number.

Step 5: Therefore, mitosis produces daughter cells with the same chromosome number as the parent cell, neither reducing nor increasing it.