NEET UG · Biology · Principles of Inheritance and Variation
ABO Blood Group System
NEET asked ABO Blood Group System twice, in 2020 and 2024: 2 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 4 years.
Updated 2026-10-08
- Times asked
- 2
- in 2017–2026
- Papers
- 2
- of 10
- First asked
- 2020
- last in 2024
- Chance next paper
- 6%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2020 and 2024.
How NEET framed it
Other is the usual form. Skill tested: concept.
- Identify incorrect statement on abo alleles
- Deduce parental genotypes from blood groups
Chance asked next paper 6%
Every question
All 2 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
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 Inheritance3× · 2026
- 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