Ep 2. Designer DNA

Explained is a documentary series on Netflix that takes a deep dive into a variety of different topics in each episode. In season 1 episode 2, titled "Designer DNA," the focus is on the science of gene editing and what it means for the future of humanity.

The episode begins with a brief history of genetics, including the discovery of DNA and the mapping of the human genome. From there, the focus shifts to recent advances in gene editing technology, specifically the development of CRISPR-Cas9. This relatively new technology allows scientists to precisely cut and edit DNA, potentially changing the genes that make up an organism.

The episode then explores the many potential practical applications of gene editing, such as curing genetic diseases, creating genetically modified organisms, and even altering the traits of future generations. One of the most intriguing aspects of the technology is the ability to create "designer babies," where parents can choose specific traits for their future children, such as eye color or intelligence.

However, the episode also highlights the ethical and legal implications of these possibilities. Who decides what traits are desirable? What happens when only the wealthy can afford to create genetically modified offspring? What are the long-term consequences of altering the gene pool in such a drastic manner?

To help answer these questions, the episode features interviews with a range of experts, including scientists, bioethicists, and parents of children with genetic disorders. They discuss their opinions on the ethics of gene editing, the risks and benefits of using the technology, and the future implications for society and the environment.

The episode also touches on the existing regulations around gene editing, both in the United States and around the world. It explains how different countries are approaching the issue, with some embracing it as a vital tool for medical advancement and others imposing strict limitations on its use.

Overall, "Designer DNA" is a thought-provoking and informative look at one of the most exciting scientific developments of our time. It raises a range of important questions about the future of humanity and the role that science should play in shaping it. The episode provides a balanced and nuanced view of the topic, presenting both the promise and the challenges of gene editing in a clear and accessible manner.