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NEET2017ZoologyPrinciples of Inheritance and VariationActual

The genotypes of a Husband and Wife are I A I B and I A i . Among the blood types of their children, how many different genotypes and phenotypes are possible?

Options

  1. A3 genotypes; 3 phenotypes
  2. B3 genotypes; 4 phenotypes
  3. C4 genotypes; 3 phenotypes
  4. D4 genotypes; 4 phenotypes

Correct answer

C. 4 genotypes; 3 phenotypes

Step-by-step solution

Husband × Wife I A I B I A i Number of genotypes = 4 Number of phenotypes = 3 I A   I A and I A i = A I A   I B = A B I B i = B

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