GRADE 12 TERM 1 PRACTICAL MEIOSIS 30 MARKS
QUESTION 1
Study the micrographs A to H that show meiotic cell division in human cells. Use your
knowledge on the phases of meiosis and answer the questions that follow.
Micrograph A
1.1. Name TWO places in the human body where this cell will be found. (2)
_____________________________________________
_____________________________________________
1.2. How many chromosomes will there be in a human cell like Micrograph A
at the start of meiosis? (1)
______________________________________________
1.3. How many sets of DNA will there be in a human cell like Micrograph A
at the start of meiosis? (1)
______________________________________________
Micrograph B
1.4. Identify the phase of meiosis represented by Micrograph B. (1)
______________________________________________
1.5. Give ONE visible reason for your answer in QUESTION 1.4. (2)
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
1.6. Draw a complete, labelled line diagram of this phase of meiosis in the space
provided. Assume the cells has a diploid number of 6. (6)
1
, Micrograph C
1.7. What happens to the chromosomes during this phase of meiosis? (2)
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
Micrograph D
1.8. Identify the phases of meiosis represented by Micrograph D. (1)
_________________________________________
1.9. In this human cell, how many chromosomes will be present in each nucleus
at the end of this phase? (1)
_________________________________________
Micrograph E
1.10. Identify the phase of meiosis represented by Micrograph E. (1)
_________________________________________
1.11. Give ONE similarity between the chromosomes in the nuclei of this
micrograph and the nuclei of Micrograph A. (1)
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
1.12. Give ONE difference between the chromosomes in the nuclei of this
micrograph and the nuclei of Micrograph A. (1)
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
Micrograph F
1.13. Identify the phase of meiosis represented by Micrograph F. (1)
______________________________________________
1.14. Give ONE visible reason for your answer in QUESTION 1.13. (2)
____________________________________________________________________________
____________________________________________________________________________
1.15. Give ONE way in which the chromosomes of Micrograph F differs from the
chromosomes in Micrograph B. (2)
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
2
QUESTION 1
Study the micrographs A to H that show meiotic cell division in human cells. Use your
knowledge on the phases of meiosis and answer the questions that follow.
Micrograph A
1.1. Name TWO places in the human body where this cell will be found. (2)
_____________________________________________
_____________________________________________
1.2. How many chromosomes will there be in a human cell like Micrograph A
at the start of meiosis? (1)
______________________________________________
1.3. How many sets of DNA will there be in a human cell like Micrograph A
at the start of meiosis? (1)
______________________________________________
Micrograph B
1.4. Identify the phase of meiosis represented by Micrograph B. (1)
______________________________________________
1.5. Give ONE visible reason for your answer in QUESTION 1.4. (2)
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
1.6. Draw a complete, labelled line diagram of this phase of meiosis in the space
provided. Assume the cells has a diploid number of 6. (6)
1
, Micrograph C
1.7. What happens to the chromosomes during this phase of meiosis? (2)
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
Micrograph D
1.8. Identify the phases of meiosis represented by Micrograph D. (1)
_________________________________________
1.9. In this human cell, how many chromosomes will be present in each nucleus
at the end of this phase? (1)
_________________________________________
Micrograph E
1.10. Identify the phase of meiosis represented by Micrograph E. (1)
_________________________________________
1.11. Give ONE similarity between the chromosomes in the nuclei of this
micrograph and the nuclei of Micrograph A. (1)
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
1.12. Give ONE difference between the chromosomes in the nuclei of this
micrograph and the nuclei of Micrograph A. (1)
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
Micrograph F
1.13. Identify the phase of meiosis represented by Micrograph F. (1)
______________________________________________
1.14. Give ONE visible reason for your answer in QUESTION 1.13. (2)
____________________________________________________________________________
____________________________________________________________________________
1.15. Give ONE way in which the chromosomes of Micrograph F differs from the
chromosomes in Micrograph B. (2)
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
2
