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Unripe bananas are green, ripe ones are yellow and overripe bananas are brown. But can you make a banana that’s half brown and half yellow?

DNA is the blueprint and genetic guide for every living thing, and units of DNA are tiny. So how can we see it with our own eyes? Many DNA units form a long, stringy molecule that is easily visible and easy to extract from particular living things, like peas or a banana.