Course Materials
Course Outline
Cell Division: Meiosis and Mitosis – What are the cellular processes responsible for growth, development, and heredity? Mitosis This video/animation provides a great in depth review to the processes of mitosis. In fact, it goes more in depth into the "Phases of Interphase (G1, S, and G2)" than we covered. This additional information won't be necessary for your quizzes, but you may find it interesting. Supercoiling - How DNA is "Packaged" into Chromosomes
Mitosis in Action: C. elegans (a nematode)
Real Microscopic Mitsosis
Chromosome and Kinetochore
Mitosis in Action: Time Lapse of Plant Growth
Meiosis
This animation covers the process of meiosis in detail and covers the differences between meiosis and mitosis. Instead of calling the cells involved in meiosis "sex cells," the video refers to them as "germ line cells." The pairing of the homologous chromosomes is called "synapsis." Meiosis in Action: The Meiosis Square Dance
Comparative Embryology – How is it that a human being is generated from a single cell? How is this process different from other animals? What are the similarities?
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Practice Quiz #1 - Answer Key
1. e 2. c 3. d 4. a 5. Crossing-Over 6. Somatic; Sex/Gamete 7. Centromere 8. Growth/development and tissue regeneration 9. Four genetically unique haploid daughter cells 10. 23 Quiz #2 Study Materials
Quit #2 - Practice Questions Answer Key
1. D 2. D 3. B 4. E 5. A 6. C 7. B 8. D 9. Zona Pellucida 10. We didn't study this 11. Answers will vary 12. We didn't study the terms protostomes and deuterostomes, but you should recognize the difference. 13. the mesodermal tissue layer develops when cells from the epiblast layer travel through the primitive streak and occupy the space that is created between the epiblast and the hypoblast layers. 14. 15. The neural tube is created when neural ridges appear on the ectodermal layer. These ridges migrate toward one another and merge, generating a hollow tube which will eventually become the spinal cord.
16. The notocord is a cartilagenous rod that will eventually become the discs between the vertebrae. It originates in the mesoderm. 17. Somites are block-like structures that line the neural tube and will eventually become the vertebrae, ribs, and the muscles and cartilage of the back. They are made from specialized paraxial mesoderm, which originates in the mesoderm proper. 18. The yolk sac generates blood cells and supplies nutrients to the embryo. 19. epithelial - A Central Nervous System - A Muscle Tissue - C Blood Cells - D Skeletal System - C 20. Approximately day 18 21. 8 weeks Quiz #3 Study Materials
Quiz #3 Practice Questions - Answer Key
1. a 2. e 3. b 4. c 5. b 6. a 7. d 8. 9. Mesoderm, Vertebral Column
10. Red Blood Cells 11. Uterine Glands, Connective Stalk/Umbilical Cord 12. d 13. b 14. Homology is the existence of shared ancestry implied by a similarity morphology between different species. The structures in the diagram are homologous because they share a basic form or "blueprint". Each bone is made from the same materials and each possesses components that are correlate to components in the other structures. The humerus in the human arm is homologous to the humerus in the bird wing, though there morphology is slightly different. The phalanges in each limb correspond to one another, we can experience a similarity in them despite their differences. Each limb is modified, corresponding to the life of the organism possessing it. For instance, the bat has long slender bones to support flight, the whale limb has been modified to support a flipper for propulsion and balance in the water. 15. 18 |
- Cleavage
- Implantation
Development of the Embryo
- Formation of the three primary germ layers
- Formation of the extra embryonic membranes
- Transverse Folding
- Cephalocaudal Folding
- Development of the Fetus
- Genetic Engineering and Embryonic Stem Cell Research