Which of the following is an application of DNA technology in health or agriculture?

• A. Gel electrophoresis to separate DNA fragments.
• B. CRISPR gene editing.
• C. GM crops.
• D. DNA sequencing.

Answer: (C)

Using DNA technology to create tangible agricultural improvements is the idea here. Genetically modified crops are a direct application: scientists insert or modify genes to give plants new or enhanced traits, such as pest resistance, drought tolerance, or improved nutrition. These crops are actual products used in farming, affecting crop yields and food quality.

Lab techniques like gel electrophoresis and DNA sequencing are essential tools that enable understanding and diagnosing genetic material, but they aren’t themselves concrete health or agricultural products. CRISPR gene editing is a powerful method for making precise genetic changes and can lead to modified crops or therapies, but it’s the editing process rather than the end product that’s being illustrated. GM crops, on the other hand, exemplify a clear, real-world application of DNA technology in agriculture.