Principle Of Inheritance And Variation Question 157

Question: Assertion : Test cross is a back cross. Reason : In test cross, individual A is crossed with recessive parent.

Options:

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

Show Answer

Answer:

Correct Answer: A

Solution:

Backcross is cross which is performed between hybrid and one of its parents.

In testeross, the individual is crossed with recessive parent.

It is called a testcross, because it is used to test whether an individual is homozygous or heterozygous (hybrid).