question_answer

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

A)          Tt and tt                             

B)  tt and tt

C)                  \[\text{Tt}\,\text{ }\!\!\times\!\!\text{ }\,\text{Tt}\]          

D)                         TT and Tt

Correct Answer: A

Solution :

The cross between Tt and tt (test cross) will show 1 : 1 ratio