Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

27. The Reproductive System

Meiosis

Anatomy & Physiology

27. The Reproductive System

Meiosis

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Multiple Choice

Which statement correctly compares Metaphase I and Metaphase II in meiosis?

Both Metaphase I and Metaphase II involve the lining up of homologous chromosomes at the equatorial plate.

In Metaphase I, homologous chromosomes line up at the equatorial plate, while in Metaphase II, sister chromatids line up at the equatorial plate.

In Metaphase I, chromosomes do not line up at the equatorial plate, while in Metaphase II, they do.

In Metaphase I, sister chromatids line up at the equatorial plate, while in Metaphase II, homologous chromosomes line up at the equatorial plate.

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Verified step by step guidance

Understand the stages of meiosis: Meiosis consists of two consecutive divisions, Meiosis I and Meiosis II, each with its own phases: Prophase, Metaphase, Anaphase, and Telophase.

Identify the key events in Metaphase I: During Metaphase I, homologous chromosomes (pairs of chromosomes, one from each parent) line up at the equatorial plate. This is a crucial step for genetic diversity as it allows for crossing over and recombination.

Identify the key events in Metaphase II: In Metaphase II, the chromosomes that were separated into two cells during Meiosis I now consist of sister chromatids. These sister chromatids line up at the equatorial plate, preparing for separation into individual chromosomes.

Compare the alignment of chromosomes: In Metaphase I, the focus is on homologous chromosomes lining up, whereas in Metaphase II, the focus shifts to sister chromatids lining up at the equatorial plate.

Clarify the correct statement: The correct comparison is that in Metaphase I, homologous chromosomes line up at the equatorial plate, while in Metaphase II, sister chromatids line up at the equatorial plate.