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Mitosis and Meiosis

Mitosis and Meiosis. Test Review. The most common stage of cell division is called In mitosis, the cells line up at the equator in this stage In mitosis, two things that disappear in prophase are: Each half of a replicated chromosome is known as sister ? Chromatids are joined by a ?

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Mitosis and Meiosis

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  1. Mitosis and Meiosis Test Review

  2. The most common stage of cell division is called • In mitosis, the cells line up at the equator in this stage • In mitosis, two things that disappear in prophase are: • Each half of a replicated chromosome is known as sister ? • Chromatids are joined by a ? • Which type of cells do NOT form centrioles?

  3. Which type of cells form a cell plate? • The pinching in of animal cells in telophase is called a ? • Division of the cytoplasm which follows mitosis is called ? • Which stage of mitosis is this cell in? • Which stage of mitosis is this next cell in? • Which stage could be said to be the opposite of prophase?

  4. A centriole which is surrounded by little ‘rays” is also known as an ? • When a nucleus has been removed from a cell it is said to have been ? • Prior to the 8- cell stage, an embryo is said to be ? . • A hollow ball of cells that the embryo develops into is called a ? • Cells don’t age, but they do only divide a set number of times. Name a human cell type which never divides. • Cancer cells that can dislodge and spread to another area means that spreading or ? is happening

  5. A tumor which is cancerous is called ? • A tumor which is not cancerous is called ? • Regular body cells are called ? cells • Cancer could be called ? gone wild • Cancer cells lack the ability to ? so they don’t do the job of the organ they invade • The diploid number in humans is ?

  6. The symbol for haploid is ? • A fertilized egg is called a ? • The formation of the tetrad is called ? • Which stage of meiosis does this happen in ? • What happens during this process which increases genetic variation? • The big difference between Meiosis I and Meiosis II is ?

  7. 31. How many gametes become sperm in spermatogenesis? 32. How many gametes become eggs in oogenesis? 33. In which stage of meiosis do chromatids line up at the equator? 34. Name a prenatal test used to determine chromosome abnormalities. 35. What is a “chromosome map” called?

  8. 36. What stage of meiosis is this cell in? • 37. What process is happening in this cell? • 38. What advantage is there to this process?

  9. 39. What process does this diagram represent? • 40. At stage B would these cells be diploid or haploid?

  10. Answers

  11. 1. interphase • 2. metaphase • 3. nucleolus, nuclear membrane • 4. chromatid • 5. centormere • 6. plant cells • 7. plant cells • 8. cleavage furrow • 9. cytokinesis • 10. metaphase

  12. 11. anaphase • 12.telophase • 13. aster • 14. enucleated • 15. totipotent • 16. blastula • 17. brain, nerve • 18. metastasis • 19. malignant • 20. benign

  13. 21. somatic • 22. mitosis • 23. differentiatie (specialize) • 24. 46 • 25. n • 26. zygote • 27. synapsis • 28. prophase I • 29. crossing over • 30. formation of tetrads

  14. 31. 4 • 32. 1 • 33. metaphase II • 34. amniocentesis ( CVS) • 35. karyotype • 36. Metaphase I • 37. synapsis ( crossing over) • 38. increases genetic variation • 39. spermatogenesis • 40. haploid

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