QuestionJune 8, 2025

26. How is the DNA of a mouse different from the DNA of a snake? A. Only the DNA of the mouse contains nitrogen bases. B. The DNA molecules have different base sequences. C. The DNA of a mouse does not contain adenine. D. Only the DNA of a snake contains thymine.

26. How is the DNA of a mouse different from the DNA of a snake? A. Only the DNA of the mouse contains nitrogen bases. B. The DNA molecules have different base sequences. C. The DNA of a mouse does not contain adenine. D. Only the DNA of a snake contains thymine.
26. How is the DNA of a mouse different from the DNA of a snake?
A. Only the DNA of the mouse contains nitrogen bases.
B. The DNA molecules have different base sequences.
C. The DNA of a mouse does not contain adenine.
D. Only the DNA of a snake contains thymine.

Solution
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Answer

B. The DNA molecules have different base sequences. Explanation 1. Analyze DNA Composition Both mouse and snake DNA contain nitrogen bases, adenine, and thymine. Thus, options A and D are incorrect. 2. Compare Base Sequences The primary difference between the DNA of different species is the sequence of bases. Therefore, option B is correct.

Explanation

1. Analyze DNA Composition<br /> Both mouse and snake DNA contain nitrogen bases, adenine, and thymine. Thus, options A and D are incorrect.<br /><br />2. Compare Base Sequences<br /> The primary difference between the DNA of different species is the sequence of bases. Therefore, option B is correct.
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