The F₁ ratio of a backcross in monohybrid cross is

A. 3 : 1

B. 1 : 1

C. 1 : 2 : 1

D. None of the above

Answer: Option B

Solution(By Examveda Team)

The F₁ ratio of a backcross in a monohybrid cross is 1 : 1.
The mating of a hybrid organism (offspring of genetically unlike parents) with one of its parents or with an organism genetically similar to the parent is known as a Back cross.
The backcross is useful in genetics studies for isolating (separating) certain characteristics in a related group of animals or plants.