With the continuous advancement of agricultural technology, more and more new corn varieties are coming into consumers' view. However, many people are unfamiliar with these new varieties and worry about whether the corn they eat is genetically modified and whether it is safe to eat. Therefore, it is important to learn how to distinguish between genetically modified corn and regular corn. Specifically:
1. Genome composition
Genetically modified corn has its genes altered through human intervention; while the genes of ordinary corn are the result of natural evolution. Therefore, those with the resources can use molecular biology experimental methods, such as genomic DNA detection, to determine whether corn is genetically modified.
2. Size
Genetically modified corn is generally larger. If you peel off a kernel and look at it, you'll see that normal corn kernels aren't actually that uniform in size; sometimes they're uneven in size. Conversely, if the corn kernels are much larger than usual and there are many more, like those with 16 rows of kernels, it's very likely that it's genetically modified corn.
3. Color differences
Genetically modified corn may have a wider range of colors, such as purple, white, and yellow; while regular corn is generally uniformly white or yellow.
4. Planting yield
Genetically modified corn yields significantly higher than conventional corn, which is precisely the advantage of genetically modified crops.
5. Resistance performance
Compared to conventional corn, genetically modified corn exhibits stronger resistance to diseases and pests. It is precisely because of these characteristics that the high yield of genetically modified corn is guaranteed.
6. Safety disputes
Genetically modified corn is controversial in terms of food safety. Although there is no definitive scientific research demonstrating its harmfulness, some people still worry about potential adverse effects. Conventional corn, on the other hand, does not have this kind of safety controversy.
7. Price differences
Genetically modified corn is usually cheaper than regular corn.
