When tall and dwarf plants are crossed, from which cross `1 : 1` ratio is obtained?

A cross was made between tall and dwarf plant. In F_(1) plants were selfed, thetall and dwarf plants appeared in 3:1 ratio in F_(2) generation. This phenomenon is known as

A cross was made between tall and dwarf plant. In F_(1) plants were selfed, thetall and dwarf plants appeared in 3:1 ratio in F_(2) generation. This phenomenon is known as

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

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

A monohybrid cross produced tall and dwarf plants in the ratio 3 : 1. The genotype of the hybrids can be: