Selectable markers help us In identifying and eliminating non transformed cells during gene cloning. Explain how the gene for b- galactosidase enzyme works as selectable marker?

Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition being a selectable marker?

By analyzing the given figure answer the following: (a) Name the cloning vector mentioned in the given diagram. (b) Identify and explain the role of selectable marker in the vector shown. (c.) Write the features required to facilitate cloning into a vector.