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Question: Answered & Verified by Expert
ABO blood group system is due to
BiologyPrinciples of Inheritance and VariationNEET
Options:
  • A Multifactor inheritance
  • B Incomplete dominance
  • C Multiple allelism
  • D Epistasis
Solution:
2898 Upvotes Verified Answer
The correct answer is: Multiple allelism
A gene may have more than two alternative forms occupying the same locus on a chromosome such alleles are known as multiple alleles and the phenomenon is turned as multiple allelism. ABO blood group has 3 alleles IO, IA, and IB.

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