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SW%20SC10%20Mitosis%20WS - (iii metaphase sister chromatids...

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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 1. Label the following diagram of mitosis of an animal cell. 2. During which stage of a cell’s cycle do the replicated chromosomes thicken and become visible? ______________________ 3. In animal cells, which structure is thought to produce the spindle fibers that help separate the sister chromatids during anaphase? ______________________ 4. Is this structure found in plant cells? __________
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5. 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? ______________________ 6. 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)
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Unformatted text preview: (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 7. This drawings shows various stages of mitosis in a fast growing onion root tip. Identify the cells (by number) which are in the following stages of mitosis: interphase _____________ prophase _____________ metaphase _____________ anaphase _____________ telophase _____________ 8. Using colored pens or pencils, show how 2 chromosomes are passed from mother cell to two daughter cells. 9. Now answer 1.2.1 Review Questions #1, 3, 6, 7, 10 and 11 on pages 25-26. SW Science 10 Mitosis WS Page 3 of 3...
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SW%20SC10%20Mitosis%20WS - (iii metaphase sister chromatids...

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