Table of contents
- 1. Introduction to Biology2h 42m
- 2. Chemistry3h 37m
- 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
- Introduction to Mendel's Experiments7m
- Genotype vs. Phenotype17m
- Punnett Squares13m
- Mendel's Experiments26m
- Mendel's Laws18m
- Monohybrid Crosses19m
- Test Crosses14m
- Dihybrid Crosses20m
- Punnett Square Probability26m
- Incomplete Dominance vs. Codominance20m
- Epistasis7m
- Non-Mendelian Genetics12m
- Pedigrees6m
- Autosomal Inheritance21m
- Sex-Linked Inheritance43m
- X-Inactivation9m
- 14. DNA Synthesis2h 27m
- 15. Gene Expression3h 6m
- 16. Regulation of Expression3h 31m
- Introduction to Regulation of Gene Expression13m
- Prokaryotic Gene Regulation via Operons27m
- The Lac Operon21m
- Glucose's Impact on Lac Operon25m
- The Trp Operon20m
- Review of the Lac Operon & Trp Operon11m
- Introduction to Eukaryotic Gene Regulation9m
- Eukaryotic Chromatin Modifications16m
- Eukaryotic Transcriptional Control22m
- Eukaryotic Post-Transcriptional Regulation28m
- Eukaryotic Post-Translational Regulation13m
- 17. Viruses37m
- 18. Biotechnology2h 58m
- 19. Genomics17m
- 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
- 30. Overview of Animals34m
- 31. Invertebrates1h 2m
- 32. Vertebrates50m
- 33. Plant Anatomy1h 3m
- 34. Vascular Plant Transport1h 2m
- 35. Soil37m
- 36. Plant Reproduction47m
- 37. Plant Sensation and Response1h 9m
- 38. Animal Form and Function1h 19m
- 39. Digestive System1h 10m
- 40. Circulatory System1h 49m
- 41. Immune System1h 12m
- 42. Osmoregulation and Excretion50m
- 43. Endocrine System1h 4m
- 44. Animal Reproduction1h 2m
- 45. Nervous System1h 55m
- 46. Sensory Systems46m
- 47. Muscle Systems23m
- 48. Ecology3h 11m
- Introduction to Ecology20m
- Biogeography14m
- Earth's Climate Patterns50m
- Introduction to Terrestrial Biomes10m
- Terrestrial Biomes: Near Equator13m
- Terrestrial Biomes: Temperate Regions10m
- Terrestrial Biomes: Northern Regions15m
- Introduction to Aquatic Biomes27m
- Freshwater Aquatic Biomes14m
- Marine Aquatic Biomes13m
- 49. Animal Behavior28m
- 50. Population Ecology3h 41m
- Introduction to Population Ecology28m
- Population Sampling Methods23m
- Life History12m
- Population Demography17m
- Factors Limiting Population Growth14m
- Introduction to Population Growth Models22m
- Linear Population Growth6m
- Exponential Population Growth29m
- Logistic Population Growth32m
- r/K Selection10m
- The Human Population22m
- 51. Community Ecology2h 46m
- Introduction to Community Ecology2m
- Introduction to Community Interactions9m
- Community Interactions: Competition (-/-)38m
- Community Interactions: Exploitation (+/-)23m
- Community Interactions: Mutualism (+/+) & Commensalism (+/0)9m
- Community Structure35m
- Community Dynamics26m
- Geographic Impact on Communities21m
- 52. Ecosystems2h 36m
- 53. Conservation Biology24m
44. Animal Reproduction
Animal Reproduction
Problem 8
Textbook Question
Which statement about human reproduction is false?
a. Fertilization occurs in the oviduct.
b. Spermatogenesis and oogenesis require different temperatures.
c. An oocyte completes meiosis after a sperm penetrates it.
d. The earliest stages of spermatogenesis occur closest to the lumen of the seminiferous tubules.

1
Understand the process of fertilization: Fertilization in humans typically occurs in the oviduct, also known as the fallopian tube. This is where the sperm meets the oocyte (egg) after ovulation.
Review the temperature requirements for gametogenesis: Spermatogenesis (sperm production) occurs in the testes, which are located outside the body to maintain a temperature slightly lower than the body's core temperature. Oogenesis (egg production) occurs in the ovaries, which are inside the body and do not require a lower temperature.
Examine the process of meiosis in oocytes: In human females, oocytes are arrested in metaphase II of meiosis and only complete meiosis upon fertilization, when a sperm penetrates the oocyte.
Understand the structure of seminiferous tubules: Spermatogenesis occurs in the seminiferous tubules of the testes. The earliest stages of spermatogenesis, such as spermatogonia, are located at the periphery of the tubules, not closest to the lumen.
Identify the false statement: Based on the understanding of the above processes, determine which statement does not accurately describe human reproduction.

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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Fertilization in the Oviduct
In human reproduction, fertilization typically occurs in the oviduct, also known as the fallopian tube. This is where the sperm meets the oocyte (egg) after ovulation. The oviduct provides the necessary environment for the sperm to penetrate the oocyte, leading to the formation of a zygote, which will then travel to the uterus for implantation.
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Fertilization and Implantation
Spermatogenesis and Oogenesis
Spermatogenesis and oogenesis are the processes of forming male and female gametes, respectively. Spermatogenesis occurs in the testes and requires a slightly lower temperature than the body's core temperature, which is why the testes are located outside the body. Oogenesis occurs in the ovaries and does not have the same temperature requirement, as it takes place within the body's core temperature.
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Oogenesis
Stages of Spermatogenesis
Spermatogenesis occurs in the seminiferous tubules of the testes, where sperm cells develop from germ cells. The process begins at the outer edge of the tubule and progresses inward toward the lumen. The earliest stages of spermatogenesis, involving spermatogonia, occur at the periphery, not closest to the lumen, which is where mature spermatozoa are released.
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Stages of Photosynthesis
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