Question

Which statement out of the following is correct regarding test cross?

• A. Crossing between two individuals with dominant traits
• B. Crossing between two individuals with recessive traits
• C. Selfing between the $F_1$ hybrids
• D. Crossing a hybrid with individual having double recessive genotype

Answer 1

The correct option is D Crossing a hybrid with individual having double recessive genotype

Test cross is the process of crossing a hybrid with a homozygous recessive individual.

If the testing individual is heterozygous dominant then, offsprings obtained would be 50% dominant and 50% recessive phenotypes.