As per ABO blood grouping system, the blood group of father is B^+, mother is A^+ and child is O^+. Their respective genotype can be A. I^Bi / I^Ai / ii B. I^BI^B / I^AI^A / ii C. I^AI^B / iI^A / I^Bi D. I^Ai / I^Bi / I^Ai E. iI^B / iI^A / I^AI^B Choose the most appropriate answer from the options given below:

NEET UG 2024 · Zoology · Question 190

NEET 2024 Zoology, question 190

Question 190 of the NEET 2024 paper (code T2) is a Zoology question from Principles of Inheritance and Variation. Its idea, ABO Blood Group System, was asked twice, in 2020 and 2024, across NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q190 · Zoology

^+

1 C & B only 2 D & E only 3 A only Official answer 4 B only

Official answer: option 3 · NTA final answer key

Same idea

ABO Blood Group System, in other papers

NEET asked this idea twice, in 2020 and 2024. The other question below.

2020 Q 6 Identify the wrong statement with reference to the gene 'I' that controls ABO blood groups. One-line MCQ \cdot Medium

ABO Blood Group System: every question and how it was framed

The chapter

Principles of Inheritance and Variation in ten years of NEET

43 questions from 2017–2026, asked in 10 of 10 papers, about 4.1 a paper. Mendelian Inheritance alone had 20.

Chapter analysis Study this chapter Practise this chapter

ABO Blood Group System, in other papers

Principles of Inheritance and Variation in ten years of NEET

Principles of Inheritance and Variation: questions per paper