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Principles of Inheritance and Variation question

2010 · Q75
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Principles of Inheritance and Variation question

2010 · Q75

NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
ABO blood groups in humans are controlled by the gene I. It has three alleles – IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur –
  1. A
    One
  2. B
    Two
  3. C
    Three
  4. D
    Four
View written solutionFree

Correct answer: D

The three alleles in ABO blood groups in humans can produce six different genotypes and four different phenotypes.

AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 130 English Explanation

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