Genetically modified crops

Scientists can change how plants grow. These are called genetically modified crops. This is a way to add new traits to a plant. A trait is a special feature of a living thing. Some crops get traits to fight off bugs. This helps the plants stay healthy and strong. These crops are very important for feeding the world.

This way of working uses DNA. DNA is a set of instructions for a plant. Scientists change these instructions to change the plant. They can add a trait that helps a plant live in dry soil. This means the plant needs less water to grow. They can also add traits that make food better. For example, some crops can have more vitamins.

People use these crops for many things. They use them to make food for humans. They also use them to make oil. These crops can help farmers grow more food. Farmers might even use fewer sprays on their fields. This happens because the plants can fight bugs on their own. Scientists study these plants to make sure they are safe.

Many different kinds of crops are modified. These include plants like corn and soy. These plants are grown in many places around the world. Scientists work to make these crops better for everyone. They want to help more people get the food they need. This is a big job for science.

You can think of DNA like a recipe book. A recipe tells you how to make a meal. Scientists change one part of the recipe. This changes how the final dish turns out. It is just like changing an ingredient in a cake. The new ingredient makes the cake different. This is how scientists make better crops.