Question

A cross between $F_1$ hybrid and recessive parent gives a ratio of _________.

• A. 3 : 1
• B. 1 : 1
• C. 2 : 1
• D. 4 : 1.

Answer 1

The correct option is B 1 : 1

A cross is made between F1 hybrid and recessive parent is called Test cross. In the next generation 50% progeny are heterozygous dominant and 50% progeny are homozygous recessive plants are formed in 1:1 ratio.

So, the correct option is ‘1:1’.