NEET 1990 · Class 12

Principles of Inheritance and Variation

ABO blood group system is due to

  1. (A)multifactor inheritance
  2. (B)incomplete dominance
  3. (C)multiple allelism
  4. (D)epistasis

The NCERT line that answers it

Verbatim line

Do you realise that the example of ABO blood grouping also provides a good example of **multiple alleles**?

Chapter
Principles of Inheritance and Variation
Section
4.2.2.2 Co-dominance
Page
11
Words matched
35 of 35

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that ABO blood grouping is a good example of multiple alleles, which directly matches the correct answer 'multiple allelism' and distinguishes it from the other options.

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