Question:
Pedigree analysis chart is used for which of the following purposes?
Pedigree analysis chart is used for which of the following purposes?
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Think about a family tree drawn with symbols to track inheritance.
Updated On: Jun 24, 2026
- Used for growth monitoring
- To assess side effect during chemotherapy
- Used to see genetic transmission
- To assess developmental delay in infant
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The Correct Option is C
Solution and Explanation
Step 1: A pedigree is a diagram that gives a graphic depiction of a family structure and its medical history across generations. The person who first brings the family to medical attention and provides the information is called the proband.
Step 2: Standardised symbols are used for each individual and relationship, and a three generation pedigree is usually drawn. This allows the doctor to track how a trait or disease is passed from parents to children, so the main use is to study genetic transmission of a condition within a family.
Step 3: The closer the relationship of the proband to an affected person, the greater the chance of a shared genetic component. Growth monitoring, chemotherapy side effects and developmental delay are clinical or follow up assessments and have nothing to do with charting inheritance, so options a, b and d are incorrect.
Step 2: Standardised symbols are used for each individual and relationship, and a three generation pedigree is usually drawn. This allows the doctor to track how a trait or disease is passed from parents to children, so the main use is to study genetic transmission of a condition within a family.
Step 3: The closer the relationship of the proband to an affected person, the greater the chance of a shared genetic component. Growth monitoring, chemotherapy side effects and developmental delay are clinical or follow up assessments and have nothing to do with charting inheritance, so options a, b and d are incorrect.
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