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A gene existing in more than two allelic forms in a population shows
Amultiple genes
Bmultiple alleles
Cmultiple chromosomes
Dmultiple phenotypes
Answer & Solution
Correct answer: B. multiple alleles
1. Most genes are discussed as having two alleles.
2. Some genes exist in more than two allelic forms in the population.
3. This is described as multiple alleles.
4. The ABO blood group gene is the standard example, since it has three alleles.
_Source: NCERT Class 12 Biology Ch4 'Principles of Inheritance and Variation'_
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