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Principles Of Inheritance And Variation

Question
CBSEENBI12047665

Inheritance of ABO blood groups illustrates

  • polyploidy

  • multiple allelism

  • euploidy

  • dominance

Solution

D.

dominance

Inheritance of ABO blood groups is an example of multiple allelism. Multiple alleles are three or more alternative forms of genes or alleles occupying the same locus. Bernstein (1925) proposed that inheritance of ABO blood types of man is determined by a series of three allelomorphic genes IA, IB and i.