Very minor differences between bacteria after repeated division arise from:
ASmall errors in DNA copying
BSharp changes in the weather
CSteady loss of cell membrane
DSlow decay of the cell wall
Answer & Solution
Correct answer: A. Small errors in DNA copying
1. When one bacterium divides and the daughters divide again, the four cells are very similar.
2. The only differences between them come from small inaccuracies in DNA copying.
3. Sexual reproduction generates far greater diversity than this.
_Source: NCERT Class 10 Science, Ch 9 'Heredity and Evolution'_
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