KCET · BIOLOGY · STD 12 - 4. Principles of Inheritance and Variation
Which of the following statements is correct?
- A Each back cross is a test cross.
- B Each test cross is a back cross.
- C Crossing \(F_2\) with \(F_1\) is a test cross.
- D Crossing \(F_2\) with \(P_1\) is called a test cross.
Answer & Solution
Correct Answer
(B) Each test cross is a back cross.
Step-by-step Solution
Detailed explanation
(B) Each test cross is a back cross.,
Each test cross is a back cross. This is true because a test cross involves crossing an individual with an unknown genotype with a homozygous recessive individual, which is also a type of back cross (crossing with an individual genetically similar to the parent).
Each test cross is a back cross. This is true because a test cross involves crossing an individual with an unknown genotype with a homozygous recessive individual, which is also a type of back cross (crossing with an individual genetically similar to the parent).
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