The Ratio of the Length of a Metaphase Chromosome to That

question 81

Multiple Choice

The ratio of the length of a metaphase chromosome to that of the fully extended and noncondensed molecule of DNA is about 1:10,000. Consider a length of string 1 mile long. If this were coiled in a ratio of 1:10,000, its length would approximate that of a:

• A)soda (pop)can (about 6 inches).
• B)pencil (about 7.5 inches).
• C)spaghetti noodle (about 20 inches).
• D)trash can (about 48 inches).
• E)telephone pole (about 144 inches).

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Definitions:

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