<p>Genetic testing start ups are a booming industry in America. Behind the headlines of 'designer babies' are companies tapping into disputed science, facing accusations that this is a pathway to eugenics. So what does the story of one company in particular tell us about this new field of fertility and science?</p><br><p>Reporters: Madeleine Parr and Matt Russell</p><p>Producers: Madeleine Parr and Matt Russell</p><p>Additional production: Gary Marshall</p><p>Artwork: Blythe Walker Sibthorp</p><p>Sound design: Dominic Delargy</p><p>Editor: Jasper Corbett</p><br><p><strong>Subscribe to The Observer today: </strong>https://observer.co.uk/subscribe&nbsp;</p><br><p>And get access to:</p><br><p>Our podcasts before anyone else</p><p>A daily edition, curated by our editors 7 days a week</p><p>Puzzles from the inventors of the cryptic crossword</p><p>Recipes for every occasion</p><p>Free tickets to join Observer events in our newsroom or online</p><p>Click here to subscribe today for just £1 for your first month.</p><p><br></p><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>