This is called a misuse of antibacterials also popular known as antibiotics. This results in an increased chance of bacteria developing mutations against the antibacterial hence rendering the drugs ineffective in treatment. They also form the risk of causing dangerous mutations that turn harmless bacteria into harmful bacteria.
Here is the correct flow chart: GENE > DNA > CHROMOSOMES > NUCLEUS. The cell nucleus contain chromosomes which are made from long DNA molecules. A gene is a short section of a DNA which codes for a specific protein.
