You were in a laboratory attempting to identify genetic defect responsible for a disease believe you have located the gene that results in a faulty protein but you’re not sure how could you be sure you’ve located section of DNA that codes for a protein

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.