Mammary Gland Structure:
The given structures are represented as: $C > E > A > D > B$
A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :
The output (Y) of the given logic implementation is similar to the output of an/a …………. gate.

In the above represented plasmid an alien piece of DNA is inserted at the EcoRI site. Which of the following strategies will be chosen to select the recombinant colonies?