This week The Natural Selection is unzipping the complex topic of genes and DNA. We explored the complex world of genetics and talked about the structure of DNA, HOX genes and glowing sharks. We also talked about nobel prizes, calico cats, epigentics and marbled lungfish. Listen now to find out how long the DNA from a single human cell laid out end to end would measure.

Spoiler: It's not as tall as big ben but taller than an averaged sized Ben.