What exactly is DNA, and is it really just an instruction manual for building you? In this episode of Explain It Like I’m 5, Alex unpacks the science behind DNA—from the famous double helix to the role of genes, chromosomes, and those four magical letters: A, T, C, and G. Discover how your DNA works like a giant recipe book, what makes mutations both dangerous and amazing, and how much of your identity is shaped by genes vs. your environment.

We’ll also explore epigenetics (aka: sticky notes on your DNA), why bananas share 60% of your code, and how your cells constantly copy DNA to keep you alive. Whether you’re into science, biology, or just want to know how your body works, this episode serves up a fun, simplified dive into the molecule of life.

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