Caroline is a bilingual (Spanish and English) teacher and a trilingual (Spanish, English, and French) children's book author with a master's degree in bilingual education.
GMOs: Lesson for Kids
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ShowImagine you're walking through the cereal aisle in a grocery store. You pick up a box of your favorite corn puff cereal, but as you go to put it in the shopping cart, your mom stops you. She says to get the other brand that's made with non-GMO corn. You wonder, 'What are GMOs?'
GMO stands for 'genetically modified organism.' Organisms are plants, animals, bacteria, or viruses, and genetically modified organisms are organisms that have had their DNA changed using science. Scientists can take the trait of one organism and inject it into another organism's DNA to change it. For example, scientists have actually taken DNA from a jellyfish and inserted it into the DNA of a pig. The result? A pig that could glow in the dark!
Although scientists can genetically modify many organisms, GMOs are mostly used in food products, especially fruits and vegetables. Fruits and vegetables grow outside, and if the conditions are not perfect, they might not ripen enough to be picked and sold. Therefore, scientists have injected them with DNA traits to make these crops survive and stay fresh longer, even through droughts, which is when it doesn't rain, and in very cold weather. They have also created genetically modified fruits and vegetables that are injected with chemicals to keep crop-eating bugs away.
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You might be surprised to learn that 90% of all the food that you see at the grocery store contains GMOs. Why? This is because many products contain ingredients made from the following foods, which are the most popular GMO crops: soy, canola, corn, papaya, sugar beets, zucchini, and yellow squash. Corn, for example, is not just found in the produce section - corn syrup and cornstarch are made from the vegetable and are ingredients in many different types of food, including your cereal!
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So why did your mom tell you to get the non-GMO cereal instead? Although some people believe that GMOs are safe to eat and help crops grow better, there are others that believe they are harmful, not only to your health, but to the environment as well. Let's learn why.
Health
There has been an anti-GMO movement because of studies that have shown negative effects on animals after eating genetically modified food, including the growth of tumors, sickness, and smaller brains. Studies have also found GMOs to be likely causes of some human health problems, like food allergies. However, other scientists have disagreed with these studies, calling them untrue. One study explained that rats didn't grow tumors because of GMOs. The scientists pointed out that rats usually grow tumors, no matter what they eat.
Environment
Since some GMO crops contain pesticides, or chemicals that kill crop-eating bugs, people are concerned about the consequences for the environment. Studies have shown that bugs are becoming resistant to, or not affected by, the genetically modified organisms with built-in pesticides, so farmers need to spray stronger pesticides to keep the bugs away. Some believe these stronger pesticides could be the reason why many insects are dying, especially bees. On the other hand, other studies have shown that these chemicals do not affect bees, just the crop-eating bugs.
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GMOs, or genetically modified organisms, are plants, animals, bacteria, or viruses that have been genetically changed by scientists using DNA from another organism. GMOs are commonly used in food products. Although some people think that GMOs help farmers to grow better crops, there are others who believe GMOs are not healthy for our bodies or the environment.
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