Biology · Molecular Biology
Which of the following statements is INCORRECT regarding the rules formulated by Erwin Chargaff about DNA composition?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The sum of the purine residues equals the sum of the pyrimidine residues; that is, A + G = T + C.
- 2The base composition of DNA in a given species does not change with an organism's age, nutritional state, or changing environment.
- 3DNA specimens isolated from different tissues of the same species have the same base composition.
- 4The base composition of DNA does not vary from one species to another.✓
Correct answer
The base composition of DNA does not vary from one species to another.
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