1. MEIOSIS I and II FORMATIVE QUIZ

3. Starting Question Before meiosis what must this cell do? Draw it.

4. Question 1 What process is illustrated by the arrow below? A: DNA duplication B: DNA diploidy C: DNA reduction D: DNA mutation

5. Question 1 What process is illustrated by the arrow below? A: DNA duplication B: DNA diploidy C: DNA reduction D: DNA mutation

6. Question 2 What is the name of the boxed section of this double-armed chromosome? A: Centromere B: Chromatid C: Chromatin D: Chromohalf

7. Question 2 What is the name of the boxed section of this double-armed chromosome? A: Centromere B: Chromatid C: Chromatin D: Chromohalf

8. Question 3 The two arrows point at: A: sister chromatins B: sister chromatids C: brother chromosome chromatins D:homologous chromosomes

9. Question 3 The two arrows point at: A: sister chromatins B: sister chromatids C: brother chromosome chromatins D:homologous chromosomes

10. Question 4 The cell below has already undergone DNA duplication. What is the diploid number for the cell before DNA duplication? A: 2n= 8 B: 2n= 4 C: 2n= 2 D: 2n= 1

11. Question 4 The cell below has already undergone DNA duplication. What is the diploid number for the cell before DNA duplication? A: 2n= 8 B: 2n= 4 C: 2n= 2 D: 2n= 1

12. Question 5 The cell below has already undergone DNA duplication. What is the haploid number for the cell before DNA duplication? A: n= 8 B: n= 4 C: n= 2 D: n= 1

13. Question 5 The cell below has already undergone DNA duplication. What is the haploid number for the cell before DNA duplication? A: n= 8 B: n= 4 C: n= 2 D: n= 1

14. Question 6 What is “boxed in” in the diagram below? A: Diploid gamete B: Diploid somatic cell C: Diploid zygote D: Haploid gamete

15. Question 6 What is “boxed in” in the diagram below? A: Diploid gamete B: Diploid somatic cell C: Diploid zygote D: Haploid gamete

16. Question 7 Which letter represents fertilization? A: n + n = n B: n + 2n = 3n C: n + n = 2n D: 2n – 1 = n

17. Question 7 Which letter represents fertilization? A: n + n = n B: n + 2n = 3n C: n + n = 2n D: 2n – 1 = n

18. Question 8 What do we call the pair of chromosomes on the right? A: maternal chromosomes B: paternal chromosomes C: parent chromosomes D: homologous chromosomes

19. Question 8 What do we call the pair of chromosomes on the right? A: maternal chromosomes B: paternal chromosomes C: parent chromosomes D: homologous chromosomes

20. Question 9 Which term does not describe homologous pairs? A: Same centromere location B: Same length and size C: Same nucleotide sequences D: Same gene locations E: 1 from MOM and 1 from DAD

21. Question 9 Which term does not describe homologous pairs? A: Same centromere location B: Same length and size C: Same nucleotide sequences D: Same gene locations E: 1 from MOM and 1 from DAD

22. Question 10 How many homologous pairs are there in this cell? A: 1 B: 2 C: 3 D:4

23. Question 10 How many homologous pairs are there in this cell? A: 1 B: 2 C: 3 D:4

24. Question 11 What process is taking place in the box in the diagram below? A: Mitosis B: Meiosis I C: Meiosis II D: Mitosis II

25. Question 11 What process is taking place in the box in the diagram below? A: Mitosis B: Meiosis I C: Meiosis II D: Mitosis II

26. Question 12 The structure that is formed as a result of two homologous chromosomes pairing up is called a ______________. A: diploid chromosome B: tetrad C: triad D: haploid chromatin

27. Question 12 The structure that is formed as a result of two homologous chromosomes pairing up is called a ______________. A: diploid chromosome B: tetrad C: triad D: haploid chromatin

28. Question 13 Which event does NOT occur in Prophase I? A: Crossing Over B: Chromosomes unwind C: Formation of Tetrads D: Centrioles move to poles E: Nucleus breaks down

29. Question 13 Which event does NOT occur in Prophase I? A: Crossing Over B: Chromosomes unwind C: Formation of Tetrads D: Centrioles move to poles E: Nucleus breaks down

30. Question 14 Which diagram represents Metaphase II? A.B.

31. Question 14 Which diagram represents Metaphase II? A.B.

32. Question 15 Fill in the blanks below: In Meiosis II, 2 haploid cells with double armed chromosomes become 4 _______ cells with ______ armed chromosomes. A: haploid, unduplicated B: haploid, duplicated C: diploid, unduplicated D: diploid, duplicated

33. Question 15 Fill in the blanks below: In Meiosis II, 2 haploid cells with double armed chromosomes become 4 _______ cells with ______ armed chromosomes. A: haploid, unduplicated B: haploid, duplicated C: diploid, unduplicated D: diploid, duplicated

34. Question 16 A Which of the following is CORRECT about meiosis? A: A is anaphase I; B is anaphase II B: A is anaphase II; B is anaphase I C: A is prophase I; B is telophase II D: A is metaphase I; B is metaphase II B

35. Question 16 A Which of the following is CORRECT about meiosis? A: A is anaphase I; B is anaphase II B: A is anaphase II; B is anaphase I C: A is prophase I; B is telophase II D: A is metaphase I; B is metaphase II B