Radiotracer technique shows that DNA is in:
Correct answer: C. Double -helix stage
- A. Multi-helix stage
- B. Single-helix stage
- C. Double -helix stage
- D. None of these
Explanation
X-ray crystallography and radiotracers confirmed DNA's double-helical structure held by complementary base pairing.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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