Which of the following is a good example of multiple alleles ?

ABO blood groups

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Flower colour in snapdragon

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Shape of seed

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Flower colour in pea

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Solution

The correct option is A ABO blood groups
ABO blood groups is an example of multiple alleles as the gene controlling ABO blood groups is represented by Three alleles $I^{A}, I^{B}, i$ . Allele A and B are codominant to each other and i is recessive allele.

Flower colour in snapdragon, pea and shape of seed are controlled by a single gene with two alleles.

Suggest Corrections

Column I	Column II
I. Codominance	A. Blue color in Andalusian fowls
II. Multiple alleles	B. AB blood group in humans
III. Recessive traits	C. Coat colour in rabbits
IV. Incomplete dominance	D. Wrinkled seed shape in pea