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SW Science 10 Unit 1 Mitosis Worksheet
Name: __________________________________ Student #: ____________
1.2 Mitosis and asexual reproduction require one parent 1.2.1 Mitosis
- Label the following diagram of mitosis of an animal cell.
- During which stage of a cell’s cycle do the replicated chromosomes thicken and become visible? ______________________
- In animal cells, which structure is thought to produce the spindle fibers that help separate the sister chromatids during anaphase? ______________________
- Is this structure found in plant cells? __________
Interphase (^) Prophase Centrioles
Metaphase
Chromosomes
Spindle Fibers
Telophase Anaphase
Prophase
Centrioles
No
- The drawing below has been made from a photograph showing a cell undergoing mitosis. Based on the drawing, in what stage of mitosis must the cell have been in?
______________________
- The drawings A-E show stages of mitosis in an plant cell.
(a) Which of the drawings A -E shows
(i) interphase ________ ( DNA is replicated)
(ii) prophase ________ ( chromosomes – 2 sister chromatids – shorten)
(iii) metaphase ________ ( sister chromatids line up)
(iv) anaphase ________ ( sister chromatids separate)
(v) telophase ________ (new nucleus forms at each end)
(vi) cytokinesis ________ (cell contents divided between 2 daughter cells )
(b) Give two processes which occur during interphase and which are necessary for nuclear division to take place.
____________________ of the cell and ____________________ of the DNA
SW Science 10 Mitosis WS Page 2 of 3
Anaphase
C B E A D D
Growth Replication
