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Principles of Inheritance and Variation question

2010 · Q2
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Principles of Inheritance and Variation question

2010 · Q2

NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible -
  1. A
    five
  2. B
    four
  3. C
    three
  4. D
    six
View written solutionFree

Correct answer: B

The three alleles IA, IB and i of gene I in ABO blood group system can produce six different genotypes and four different phenotypes as shown below :

AIPMT 2010 Mains Biology - Principles of Inheritance and Variation Question 126 English Explanation

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