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Even after DNA replication in the S phase, the chromosome number stays:

AUnrelated
BUncounted
CUncoupled
DUnchanged
Answer & Solution
Correct answer: D. Unchanged
1. Each chromosome gains a second chromatid. 2. No new chromosomes are created. 3. So the number stays unchanged. _Source: syllabus Biology Class XI, Chapter 10, Cell Cycle and Cell Division._
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