Patterns of Inheritance
- Previous year questions on Patterns of Inheritance for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Pathology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 63 live questions in Patterns of Inheritance.
- 11 of 63 questions carry a verified exam year: 2017, 2018, 2019, 2020.
- Pathology is worth about 25 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Which of the following has a polygenic pattern of inheritance?
- ADiabetes mellitus✓ Correct answer
- BFamilial hypercholesterolemia
- CG6PD
- DResistant rickets
Q2.An albino girl gets married to a normal boy. What are the chances of their having an affected child and what are the chances of their children being carriers ?
- ANone affected, all carriers✓ Correct answer
- BAll normal
- C50% carriers
- D50% affected, 50% carriers
Q3.Kinky hair disease is a disorder where an affected child has peculiar white stubby hair, does not grow, brain degeneration is seen and dies by age of two years. Mrs. A is hesitant about having children because her two sisters had sons who had died from kinky hair disease. Her mother's brother also died of the same condition. Which of the following is the possible mode of inheritance in her family?
- AX-linked recessive✓ Correct answer
- BX-linked dominant
- CAutosomal recessive
- DAutosomal dominant
Q4.Achondroplasia shows which of the following type of inheritance
- AAutosomal Dominant✓ Correct answer
- BAutosomal Recessive
- CX-Linked Dominant
- DX-Linked Recessive
Q5.Differential expression of the same gene depending on parent of origin is referred to as
- AGenomic imprinting✓ Correct answer
- BMosaicism
- CAnticipation
- DNonpenetrance
Q6.Feature of Autosomal dominant disorder:
- APresent early in life
- BComplete penetrance common
- CNew germ cell mutations in old fathers✓ Correct answer
- DMale to male transmission not possible
Q7.When one gene is inherited from one parent only, it is known as
- AGenomic imprinting✓ Correct answer
- BMosaicism
- CAlleles
- DChimerism
Q8.NARP Syndrome is a
- ALysosomal storage disorder
- BMitochondrial function disorder✓ Correct answer
- CGlycogen storage disorder
- DGolgi body transport disorder
Q9.Which is autosomal dominant disease?
- AWilson's disease
- BHemochromatosis
- CMEN 2✓ Correct answer
- DAll of the above
Q10.Which of the following is an Autosomal Dominant disease?
- AVon Willebrand disease✓ Correct answer
- BWilson's disease
- CCystic fibrosis
- DFriedrichs ataxia
Answer key
Q1: A. Diabetes mellitus; Q2: A. None affected, all carriers; Q3: A. X-linked recessive; Q4: A. Autosomal Dominant; Q5: A. Genomic imprinting; Q6: C. New germ cell mutations in old fathers; Q7: A. Genomic imprinting; Q8: B. Mitochondrial function disorder; Q9: C. MEN 2; Q10: A. Von Willebrand disease.
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- Intracellular Accumulations, Pathological Calcification and Cell Ageing
- The Acute Inflammatory Response
- Chemical Mediators and Granulomatous Inflammation
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- Hemodynamic and Hemostatic Disorders
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- Chromosomal and Other Genetic Disorders
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- White Cell Disorders and Lymphadenitis
- Atherosclerosis and Hypertensive Vascular Disease
- Aneurysms and Arterial Dissection
- Vasculitis
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- Heart Failure and Ischemic Heart Disease
- Cardiomyopathies, Pericardial Disease and Cardiac Tumours
- Valvular and Congenital Heart Disease
- Rheumatic Fever and Endocardial Disease
- Diseases of the Glomerulus
- Tubulointerstitial, Vascular and Cystic Renal Disease
- Renal Tumours
- Pathology of the Lower Urinary Tract
- Pathology of the Female Genital Tract
- Pathology of the Male Genital Tract
- Infectious and Alcohol-Related Liver Disease
- Metabolic and Autoimmune Liver Disease
- Tumours of the Liver and Biliary Tract
- Gallbladder and Pancreatic Disease
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- Small Bowel Pathology
- Large Bowel: Non-Neoplastic Disease
- Large Bowel: Neoplastic Disease
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