You Have Isolated DNA from Three Different Cell Types of an Organism

question 28

Multiple Choice

You have isolated DNA from three different cell types of an organism, determined the relative DNA content for each type, and plotted the results on the graph shown in Figure 13.3. Refer to the graph to answer the following
questions.

-Experiments with cohesions have found that

• A)cohesions are protected from destruction throughout meiosis I and II.
• B)cohesions are cleaved from chromosomes at the centromere before anaphase I.
• C)cohesions are protected from cleavage at the centromere during meiosis I.
• D)a protein cleaves cohesions before metaphase I.
• E)a protein that cleaves cohesions would cause cellular death.

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