Answer:
Option (a).
Step-by-step explanation:
A reporter gene may be defined as the gene that are attached to the regulatory sequences to find the gene of the interest in research. The reporter gene can be easily identifiable.
The recombinant cells can be identified by the fusion of the reporter gene and the protein. Here, the green fluorescent protein acts as the reporter gene that can be easily identified and fuses with the protein that will produce a single the protein. The protein shows the green fluorescent that contains the yeast nuclei.
Thus, the correct answer is option (a).