Table of contents

1. Introduction to Biology2h 42m
2. Chemistry3h 40m
3. Water1h 26m
4. Biomolecules2h 23m
5. Cell Components2h 26m
6. The Membrane2h 31m
7. Energy and Metabolism2h 0m
8. Respiration2h 40m
9. Photosynthesis2h 49m
10. Cell Signaling59m
11. Cell Division2h 47m
12. Meiosis2h 0m
13. Mendelian Genetics4h 44m
14. DNA Synthesis2h 27m
15. Gene Expression3h 20m
16. Regulation of Expression3h 31m
17. Viruses37m
- Viruses
  37m
18. Biotechnology2h 58m
19. Genomics17m
- Genomes
  17m
20. Development1h 5m
21. Evolution3h 1m
22. Evolution of Populations3h 52m
23. Speciation1h 37m
24. History of Life on Earth2h 6m
25. Phylogeny2h 31m
26. Prokaryotes4h 59m
27. Protists1h 12m
28. Plants1h 22m
29. Fungi36m
- Fungi
  19m
- Fungi Reproduction
  17m
30. Overview of Animals34m
- Overview of Animals
  34m
31. Invertebrates1h 2m
32. Vertebrates50m
33. Plant Anatomy1h 3m
34. Vascular Plant Transport1h 2m
- Water Potential
  1h 2m
35. Soil37m
- Soil and Nutrients
  20m
- Nitrogen Fixation
  16m
36. Plant Reproduction47m
- Flowers
  33m
- Seeds
  14m
37. Plant Sensation and Response1h 9m
38. Animal Form and Function1h 19m
39. Digestive System1h 10m
- Digestion
  1h 3m
- Blood Sugar Homeostasis
  7m
40. Circulatory System1h 57m
41. Immune System1h 12m
42. Osmoregulation and Excretion50m
- Osmoregulation and Excretion
  50m
43. Endocrine System1h 4m
- Endocrine System
  1h 4m
44. Animal Reproduction1h 2m
- Animal Reproduction
  1h 2m
45. Nervous System1h 55m
- Neurons and Action Potentials
  1h 8m
- Central and Peripheral Nervous System
  46m
46. Sensory Systems46m
- Sensory System
  46m
47. Muscle Systems23m
- Musculoskeletal System
  23m
48. Ecology3h 11m
49. Animal Behavior28m
- Animal Behavior
  28m
50. Population Ecology3h 41m
51. Community Ecology2h 46m
52. Ecosystems2h 36m
53. Conservation Biology24m
- Conservation Biology
  24m

11. Cell Division

Introduction to Cell Division

General Biology

11. Cell Division

Introduction to Cell Division

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0:24 minutes

Problem 3`

Textbook Question

A cell that begins mitosis with 46 chromosomes produces daughter cells with ________ chromosomes.
a. 13
b. 23
c. 46
d. 92

Verified step by step guidance

Understand the process of mitosis: Mitosis is a type of cell division that results in two daughter cells, each with the same number of chromosomes as the parent cell. It is essential for growth, repair, and asexual reproduction in multicellular organisms.

Recall the chromosome number in human cells: Human somatic (body) cells are diploid, meaning they contain two sets of chromosomes (one from each parent). This totals 46 chromosomes in a typical human cell.

Analyze what happens during mitosis: During mitosis, the parent cell duplicates its chromosomes during the S phase of the cell cycle, resulting in 92 chromatids. However, these chromatids are divided equally between the two daughter cells during the mitotic phase.

Determine the chromosome number in daughter cells: After mitosis, each daughter cell receives one complete set of chromosomes, which is identical to the parent cell. Therefore, each daughter cell will have 46 chromosomes.

Match the correct answer to the options provided: Based on the explanation, the correct answer is c. 46 chromosomes.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Mitosis

Mitosis is a type of cell division that results in two genetically identical daughter cells, each with the same number of chromosomes as the original cell. In humans, somatic cells undergo mitosis to maintain the diploid number of chromosomes, which is 46. This process is crucial for growth, repair, and asexual reproduction.

Chromosome Number

Chromosomes are structures within cells that contain DNA and genetic information. In humans, normal somatic cells have 46 chromosomes, arranged in 23 pairs. During mitosis, the chromosome number remains constant, ensuring that each daughter cell receives the same diploid number of chromosomes as the parent cell.

Daughter Cells

Daughter cells are the two new cells that result from the division of a parent cell during mitosis. Each daughter cell inherits an identical set of chromosomes, maintaining the original chromosome number. In the case of a cell starting with 46 chromosomes, each daughter cell will also have 46 chromosomes after mitosis.