Fig. 6.1 shows photomicrographs of individual cells from the root tip of an onion, Allium sp., at different times in the mitotic cell cycle. [Figure 6.1] Place the letters representing the individual cells in the correct sequence of the mitotic cell cycle. The first letter has already been filled in. B

1. (a)(i)Fig. 6.1 shows photomicrographs of individual cells from the root tip of an onion, Allium sp., at different times in the mitotic cell cycle. [Figure 6.1] Place the letters representing the individual cells in the correct sequence of the mitotic cell cycle. The first letter has already been filled in. B[1]
2. (a)(ii)Cell A in Fig. 6.1 is in one of the main stages of mitosis. Describe the events that occur during this main stage of mitosis.[2]
3. (b)Complete Table 6.1 by stating the term that matches each of the descriptions. Table 6.1 term description region of DNA with repeated nucleotide sequences located at the ends of chromosomes organises microtubules to form the spindle in animal cells point of attachment between two sister chromatids[3]

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