1. Replication - Mitosis & Meiosis
Review

2. What process is occurring?
Crossing over
Q-40

3. When during cell division does this process occur?
Prophase I
Q-41

4. Prophase Metaphase Anaphase Telophase
What are the stages of mitosis in order?
Prophase Metaphase Anaphase Telophase
Q-17

5. Cells spend the majority of the time in what phase?
Interphase
Q-35

6. A cell that contains both sets of chromosomes is said to be . . .
Diploid
Q-18

7. What are the 3 phases of Interphase?
• G1 • S • G2
Q-1&2

8. Copying process by which a cell duplicates its DNA -
replication
Q-27

9. Chromosomes line up in the middle during which phase?
Metaphase
Q-6

10. During what phase of mitosis does separation of chromatids begin?
Anaphase
Q-3

11. Which type of cell division does this represent?A B C
Meiosis
Q-31

12. The event in the diagram to the right is know as ________B
fertilization
The union of A & B forms a ________.
and restores the diploid number.
zygote
Q-38
Q-39

13. What does letter A represent?B C G1
Q-33

14. A cell with only a half set of chromosomes is called a gamete, and is known as having the ______ chromosome number.
haploid
Q-19

15. Four new cells are formed from each original What is the process?
Meiosis
Q-7

16. What protein regulates the timing of the cell cycle?
Cyclin
Q-30

17. Where in this cell cycle does DNA replicate?B C
Where in this cell cycle does DNA replicate? B
Q-34

18. The fibers that radiate from two poles and help separate the chromosomes are called the. . .
Spindle
Q-29

19. Which type of cell division does this represent?A B C
Mitosis
Q-32

20. The end result of Meiosis II is four _______ cells.
haploid
Q-25

21. Cytokinesis begins during what phase of mitosis?
Telophase
Q-4

22. After meiosis in males, there are ___ viable gametes produced.4
Q-26a

23. In Meiosis I, the 4 sister chromatids are called a
tetrad
Q-24

24. After meiosis in females, there is ___ viable gamete produces1
Q-26b

25. In mitosis, after a cell divides, each new daughter cell should contain DNA that is _______ to the DNA in the parent cell.
identical
Q-23

26. What is this?
Chromosome

27. What are these called?
Sister chromatids

28. What is this protein disk called?
Centromere
Which plays a role in chromosome movement during mitosis

29. What is the human chromosome number?23
How many pairs?
What is the human chromosome number? 46
What is the sex of this person?
male

30. What phase of the cell cycle is this?
Telophase

31. Which of these is NOT one of the phases in mitosis?
anaphase
telophase
interphase
prophase

32. What is the process by which an animal cell's cytoplasm divides?
Cytokinesis

33. In plants, a structure known as the ____ _____ forms midway between the divided nuclei during cytokinesis.
cell plate

34. What phase of the cell cycle is this?
Metaphase

35. What phase of the cell cycle is this?
Anaphase

36. The chromosome number is reduced from diploid (2n) to haploid (1n) during this process.
Meiosis

37. The number of chromosomes in a gamete is represented by the letter . . .

38. Meiosis would only be found in these organs:
brain & spinal cord
ovaries & testes
esophagus & colon
ligaments & tendons

39. Cells produced by meiosis contain ______ the number of chromosomes as the original cell.
one-half

40. The 2 cells that result from the division of one cell during mitosis are called?
Daughter Cells

41. The purpose of mitosis is:
maintenance
growth
repair of injury
replacement of worn out cells

42. What phase of the cell cycle come before this?
Prophase

43. During what phase of mitosis does the nuclear envelope reform?
Telophase

44. The nuclear envelope breaks down in which phase?
Prophase

45. During which phase of meiosis do the tetrads separate?
anaphase I
anaphase II
telophase I
telophase II
The tetrads separate during anaphase I. The sister chromatids separate during anaphase II.