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JIPMER2008ZoologyPrinciples of Inheritance and Variation

Which of the following is a test cross ?

Options

  1. ATt tt
  2. BTT tt
  3. CTt Tt
  4. Dtt tt

Correct answer

A. Tt tt

Step-by-step solution

A test cross is a cross between heterozygous F ₁ hybrid and double recessive homozygous eg, Tt tt to show whether F ₁ is homozygous or heterozygous.

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