#multiple allelism

BOTANY

Which of the following is an incorrect statement about multiple allelism?

Each individual inherits only two alleles for a gene, even if multiple alleles exist in the population. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

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BOTANY

Which of the following correctly describes multiple allelism?

In multiple allelism, a gene has more than two possible alleles in a population, but each individual inherits only two. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.

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Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

Which of the following is an example of multiple allelism?

The ABO blood group system exhibits multiple allelism, involving three alleles (IA, IB, and i).

Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

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Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

Which of the following is an incorrect statement about multiple allelism?

Each individual inherits only two alleles for a gene, even if multiple alleles exist in the population.

Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

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Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

Which blood group is an example of both co-dominance and multiple allelism?

Blood group AB is an example of co-dominance (both A and B are expressed) and multiple allelism (three alleles: IA, IB, and i).

Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

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Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

Which of the following best describes multiple allelism?

Multiple allelism occurs when a gene has three or more alleles, such as in the ABO blood group system.

Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles

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Monohybrid Dihybrid and Test Cross

Which of the following correctly describes multiple allelism?

In multiple allelism, a gene has more than two possible alleles in a population, but each individual inherits only two.

Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Monohybrid Dihybrid and Test Cross

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