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) 1 : 1
B) 3 :1
C) 2 : 1
D) 1 : 2 : 1
Correct Answer:
A
Solution :
In test cross, f1 heterozygous (with tall plant) is crossed with pure recessive (dwarf plant)