question_answer

Phenotypic ratio of monohybrid test cross is

A)  1 : 1                                      

B)  3 : 1

C)  1 : 2 : 1                

D)  2 : 1

E)  2 : 1 : 2

Correct Answer: A

Solution :

                Test cross is performed between \[{{F}_{1}}\] progeny and a pure recessive parent. So, for a monohybrid test cross, the results will be Thus, the phenotypic ratio 1 : 1.