2 points: Easy - Chromosomes

1. Which stage of the cell cycle are these cells in? Be sure to hide the answer. Answer: Interphase 2 points: Easy - Chromosomes

2. What are the two halves of a chromosome called? Chromatids 2 points: Easy - Chromosomes

3. By definition, which cells have ½ the total number of chromosomes? Haploid 2 points: Easy - Chromosomes

4. Which stage of the cell cycle is this cell in? Be sure to hide the answer. Answer: Metaphase 2 points: Easy - Chromosomes

5. What is created during the S stage of Interphase? DNA (chromatin) 2 points: Easy - Chromosomes

6. What is the human diploid chromosome number? 46 2 points: Easy - Chromosomes

7. Which process produces 4 haploid cells? Meiosis 2 points: Easy - Chromosomes

8. Which stage of the cell cycle is this cell in? Be sure to hide the answer. Answer: Prophase 2 points: Easy - Chromosomes

9. Which parts attach and pull chromosomes during mitosis and meiosis? Spindle fibers 2 points: Easy - Chromosomes

10. Does this karyotype show a boy or girl? Be sure to hide the answer. Answer: Boy 2 points: Easy - Chromosomes

11. Which stage of the cell cycle is this cell in? Be sure to hide the answer. Answer: Telophase 2 points: Easy - Chromosomes

12. What is the human haploid chromosome number? 23 2 points: Easy - Chromosomes

13. What is the linear, string form of DNA called? Chromatin 2 points: Easy - Chromosomes

14. Which cellular process creates somatic cells? Mitosis 2 points: Easy - Chromosomes

15. Which stage of the cell cycle is this cell in? Be sure to hide the answer. Answer: Anaphase 2 points: Easy - Chromosomes

16. What is this picture called? Be sure to hide the answer. Answer: Karyotype 2 points: Easy - Chromosomes

17. If there are 20 pairs of chromosomes in a fish, how many chromosomes do skin cells contain? 40 3 points: Medium - Chromosomes

18. Name the two separate halves of the meiosis process. Meiosis I and Meiosis II 3 points: Medium - Chromosomes

19. Which process takes place in the testes? Spermatogenesis (meiosis is too vague) 3 points: Medium - Chromosomes

20. Is this a diploid or haploid karyotype? Be sure to hide the answer. Answer: Diploid 3 points: Medium - Chromosomes

21. In order, name the stages of mitosis. Prophase, Metaphase, Anaphase, Telophase (Interphase is not a stage of mitosis) 3 points: Medium - Chromosomes

22. Which objects create the zygote? Egg and sperm 3 points: Medium - Chromosomes

23. Which cells use the cell plate during cytokinesis? Plant cells 3 points: Medium - Chromosomes

24. If there are 40 pairs of chicken chromosomes, what is the haploid chromosome number? 40 40 pairs means a total of 80 chromosomes. Haploid is when there are ½ the total number. 3 points: Medium - Chromosomes

25. During which stage of mitosis are chromatids separated? Anaphase 3 points: Medium - Chromosomes

26. Which cellular process replaces aging cells? Mitosis 3 points: Medium - Chromosomes

27. Besides determining sex, what else are karyotypes used for? Identify chromosome defects 3 points: Medium - Chromosomes

28. Put the pictures in the order from start to finish. Be sure to hide the answer. Answer = E, D, A, C, B 3 points: Medium - Chromosomes

29. Name the location of a chromosome where two chromatids are connected. Centromere 3 points: Medium - Chromosomes

30. During which stage of the cell cycle do chromosomes first appear? Prophase 3 points: Medium - Chromosomes

31. During cytokinesis, what prevents plants cells from pinching inward similar to animal cells? The hard Cell wall 3 points: Medium - Chromosomes

32. Which process is taking place in this picture? Be sure to hide the answer. Answer: Crossing over 4 points: Hard - Chromosomes

33. In order, name the three stages of Interphase. G1, S, G2 or Gap 1, Synthesis, Gap2 4 points: Hard - Chromosomes

34. What are the two same copies of a chromosome called? Homologous 4 points: Hard - Chromosomes

35. Name 3 things that are happening in this picture. Be sure to hide the answer. Answers 1) Cytokinesis (cytoplasm divides) 2) Nucleus reforms 3) Chromosomes unwind 4 points: Hard - Chromosomes

36. Name 3 cells created by meiosis. Sperm, egg, pollen 4 points: Hard - Chromosomes

37. Name 3 things that are happening in this picture. Be sure to hide the answer. Answers 1) Nucleus dissolves 2) Chromosome forms 3) Spindle fibers created 4 points: Hard - Chromosomes

38. The pairing of _____ creates a tetrad. Homologous chromosomes 4 points: Hard - Chromosomes

39. During meiosis, which event is defined as the exchanging of genes? Crossing over 4 points: Hard - Chromosomes

40. By definition, what divides during cytokinesis? Cytoplasm 4 points: Hard - Chromosomes

41. What notation would be used to describe a female with Down’s syndrome? 47, XX, +21 or 47, +21, XX 4 points: Hard - Chromosomes

42. Name the 3 cells that are destroyed during oogenesis. Polar bodies 4 points: Hard - Chromosomes

43. Homologous chromosomes form tetrads during which event Synapsis 4 points: Hard - Chromosomes

44. Which process takes place in the ovaries? Oogenesis (meiosis is too vague) 4 points: Hard - Chromosomes

45. Name 3 things that are happening in this picture. Be sure to hide the answer. Answers 1) Cell enlarges 2) Organelles created 3) DNA created 4) Normal function performed 4 points: Hard - Chromosomes

46. During which stage of meiosis are tetrads pulled to the cell’s equator? Metaphase I (must say “one”) 4 points: Hard - Chromosomes