NEET UG · Biology · Principles of Inheritance and Variation
ABO Blood Group Inheritance
NEET asked ABO Blood Group Inheritance 3 times, in 2017, 2018 and 2026: 3 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Mendelian Inheritance, in Principles of Inheritance and Variation (Biology). The longest wait between two papers asking it was 8 years.
Updated 2026-10-08
- Times asked
- 3
- in 2017–2026
- Papers
- 3
- of 10
- First asked
- 2017
- last in 2026
- Chance next paper
- 6%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2017, 2018 and 2026.
How NEET framed it
One-line MCQ is the usual form. Skill tested: application.
- Count correct features of abo inheritance
- Identify impossible parental genotype combination
Chance asked next paper 6%
Every question
All 3 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2026 Q169For a person with blood group 'O', which of the following is not a possible combination of parents' blood group genotypes ?One-line MCQ · Medium
- 2018 Q180Which of the following characteristics represent 'Inheritance of blood groups' in humans ? a. Dominance b. Co-dominance c. Multiple allele…Other · Easy
- 2017 Q134The genotypes of a Husband and Wife are and . Among the blood types of their children, how many different genotypes and…One-line MCQ · Medium
Same topic
Other ideas in Mendelian Inheritance
Mendelian Inheritance has 15 ideas NEET has asked; 4 of them came up in more than one question. The 12 most asked are below.
- ABO Blood Group System2× · 2024
- Mendel's Seven Contrasting Traits2× · 2022
- Monohybrid Punnett Square2× · 2021
- Mendel's Seven Contrasting Traitsonce · 2026
- Back Cross vs Test Crossonce · 2024
- Examples of Incomplete Dominanceonce · 2024
- Law of Dominance Postulatesonce · 2024
- Test Cross Applicationonce · 2024
- Pleiotropyonce · 2023
- True-Breeding Linesonce · 2020
- Incomplete Dominanceonce · 2019
- Inventor of the Punnett Squareonce · 2018