In poultry,the new comb colour that appears by the collaboration of two dominant genes is:

In a cross,one parent has a mutation in its mitochondria. In this case,this parent is taken as the male. During analysis,in which offspring is this mutation observed in the $F_2$ generation?

The $9 : 3 : 3 : 1$ ratio is modified to $9 : 7$ ratio due to

In which one of the following, complementary gene interaction ratio of $9: 7$ is observed?

The antibiotic commonly used to induce mutations in cytoplasmic genes is.....

Which of the following is an example of an inhibitory gene?