Question

Genotype of hybrid is determined by

• A. Crossing one $F_1$ progency with recessive parent
• B. Crossing one $F_1$ progency with another $F_1$ progency
• C. crossing one $F_2$progency with female parent
• D. Crossing one $F_2$ progency with male parent.

Answer 1

The correct option is A Crossing one $F_1$ progency with recessive parent

Genotype hybrid can be determined by a test cross. A test cross is carried out between the F1 generation hybrid and a double recessive parent. This cross helps determine the genotype of the F1 hybrid. If the hybrid is homozygous dominant then all the progeny will show the dominant phenotype and if the F1 hybrid is heterozygous dominant, then 50% of the progeny will show the dominant phenotype and 50% will show recessive phenotype. So, the correct option is 'Crossing one F1 progeny with recessive parent'.