Q. A pure tall and a pure dwarf plant were crossed to produced offsprings. Offsprings were self crossed, then find out the ratio between true breeding tall to true breeding dwarf?

A) 1 : 1
B) 3 : 1
C) 2 : 1
D) 1 : 2 : 1
Explanation

The $F_{1}$ offsprings of pure tall and pure dwarf are heterozygoous tall, which on selfing produces 1 : 1 ratio of breeding tall to breeding dwarf.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.