Biology
The pyrimidine bases of DNA are:
- Adenine and Guanine
- Guanine and Cytosine
- Adenine and Thymine
- Thymine and Cytosine
Chromosomes
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Answer
Thymine and Cytosine
Reason — Thymine and Cytosine are pyrimidine; and Adenine and Guanine are purine.
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