CPD course for Medical Laboratory Officers
Blood Type Discrepancy and Paternity Doubt:- CaseStudy: 2026 (3 CPD)
3 CPD points · All levels · 15 lessons
About this course
At the end of this case study, the participants will be able to:
- Explain how weak D (Du) variants challenge classical Mendelian inheritance patterns in blood type transmission.
- Differentiate between true Rh negativity (RHD gene deletion) and weak D expression in clinical testing scenarios.
- Interpret conflicting blood typing results in family genetic studies and paternity cases.
- Justify why DNA paternity testing (>99.9% accurate) supersedes blood type analysis in parentage determination.
- Apply ABO/Rh compatibility principles to organ transplant donor selection processes.
- Develop appropriate genetic counseling strategies for families with unexpected blood type inheritance patterns.
- Recognize when standard Mendelian inheritance models require modification for accurate clinical interpretation.
- Formulate evidence-based solutions when confronted with seemingly impossible genetic test results.
- Communicate complex blood group genetics concepts to patients and healthcare colleagues effectively.
- Evaluate ethical considerations in paternity disputes arising from blood type discrepancies.
3 CPD points will be awarded on completion
Course curriculum
Blood Type Discrepancy and Paternity Doubt: A Medical and Genetic Mystery
Blood Type Discrepancy and Paternity Doubt: A Medical and Genetic Mystery
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1. Blood Type Inheritance Patterns in Paternity Disputes
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1. Blood Type Inheritance Patterns in Paternity Disputes Explained
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2. Weak D (Du) Phenotype: Serological Detection vs. Genetic Reality
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2. Weak D (Du) Phenotype: Serological Detection vs. Genetic Reality - Explained
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3. Genetic Mechanisms of Rh-Negative Inheritance from Rh-Positive Parents
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3. Genetic Mechanisms of Rh-Negative Inheritance from Rh-Positive Parents - Explained
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4. ABO Compatibility in Living Donor Kidney Transplantation
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4. ABO Compatibility in Living Donor Kidney Transplantation - Explained
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5. Donor Selection Algorithms for Rh-Negative Transplant Recipients
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5. Donor Selection Algorithms for Rh-Negative Transplant Recipients - Explained
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6. Ethical Communication of Unexpected Genetic Test Results
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6. Ethical Communication of Unexpected Genetic Test Results - Explained
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Quiz
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Congratulation
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