NEET
Biology
Principle Of Inheritance And Variation
Question Bank
Mendelism
question_answer
The genotypes of a plant variety were TtHh, Tthh, ttHh and tthh, where T = tallness and H = hairy stem. Which one of the following crosses would produce progeny giving a phenotypic ratio approximately 1 : 1 : 1 : 1
A)TtHh × TtHh
B)TtHh × Tthh
C)TtHh × ttHh
D)TtHh × tthh
Correct Answer:
D
Solution :
This is a dihybrid test cross which produces the ratio of 1 : 1 : 1 : 1.