AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
When a variation arises in a new DNA copy during cell division, there are two possible outcomes:
Source: Chapter 7, Section 7.1
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The examiner expects both outcomes stated clearly — death (drastic variation) and survival (minor variation). The key phrase "subtle difference" signals understanding that surviving variants are similar but not identical. Avoid over-explaining; one crisp line per outcome is enough for 2 marks.