Which of the following is correct when a character shows continuous variation assuming a normal distribution?

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Which of the following is correct when a character shows continuous variation assuming a normal distribution? Answer: It is governed by many genes with small cumulative effect

Question context

This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.