Which of the following does not occur during mitosis? A) spindle formation B) replication of the DNA C) condensation of the chromosomes D) separation of sister chromatids E) separation of the spindle poles 20) A karyotype results from which of the following? 20 A) the separation of homologous chromosomes at metaphase I of meiosis B) a natural cellular arrangement of chromosomes in the nucleus C) the cutting and pasting of parts of chromosomes to form the standard array D) an inherited ability of chromosomes to arrange themselves E) the ordering of human chromosome images You have isolated DNA from three different cell types of an organism, determined the relative DNA content for each ty and plotted the results on the graph shown in Figure 13.3. Refer to the graph to answer the following questions Sample Figure 13.3 21) Which sample might represent an animal cell in the G2 phase of the cell cycle? 21) A)I B) II D) both I and II E) either II or II

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