alleryChromosomes become visible as rod-shaped structures only when:
AThe cell detaches
BThe cell divides
CThe cell dissolves
DThe cell descends
Answer & Solution
Correct answer: B. The cell divides
1. At other times they are not distinct.
2. They carry information for inheritance.
3. They appear when the cell is about to divide.
_Source: syllabus Science, Ch 5 'The Fundamental Unit of Life'_
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