Q. When tall and dwarf plants are crossed, from which cross 1 : 1 ratio is obtained?
A) Tt and tt
B) tt and tt
C) Tt and Tt
D) TT and Tt
Explanation
The cross between Tt and tt will show 1 : 1 ratio. Test cross is performed to know whether the parent is homozygous or heterozygous dominant.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.