Podcast: Can you inherit more than half your genes from one parent? Debunking genomic myths and misconceptions

Credit: Ali Blackwood
This article or excerpt is included in the GLP’s daily curated selection of ideologically diverse news, opinion and analysis of biotechnology innovation.

The Distaff Gospels, a collection of medieval Old Wive’s Tales, warns that if a pregnant woman eats hare she’s likely to have a baby with a cleft palate, while eating fish heads leads to a ‘trout pout’. While these ideas certainly aren’t supported by modern science, there is still plenty of confusion surrounding genetics today—for example, the idea that an inherited disease is the result of something bad happening in the family, that mutations are always bad, or that looking more like one parent than the other means you’ve inherited more of their genes.

Geneticist Kat Arney explores some of the myths and misconceptions about genetics, genomics and inheritance, in partnership with the Genomics Education Programme. 

Genetic tests—and increasingly, more detailed genomic analysis—are providing an unprecedented amount of information about the underlying genetic variations and alterations that affect health. The pace at which genomic data and technologies are coming into the clinic is impressive. At the same time, it can leave patients, the public and healthcare providers feeling overwhelmed and trying to figure out what it all means.

Laura Boyes, Consultant Genetic Counselor for the West Midlands, explains where we get our ideas about inheritance from, and how they shape our family relationships. She also talks about the need to normalize the idea of genetic variation: nobody has a perfect genome, and we are all carrying our own unique alterations.

Related article:  University of Pennsylvania's Ashley Winslow uses crowdsourcing to hunt down genetics of depression

Anna Middleton, Head of Society and Ethics Research at the Wellcome Genome Campus in Cambridge, discusses whether media portrayals of genetics are helpful or harmful, and whether scientists should get worked up about ‘bad science’ in the movies.

Finally, Arney speaks with Michelle Bishop, the Education Lead for the Genomics Education Programme,  about the importance of providing accurate and understandable information about genomics, and the need for educators and healthcare professionals to keep up to date with advances in this fast-moving field.

The Genomics Education Programme is running a week of action from the 16th to the 20th March 2020, designed to raise awareness about the impact of genomics in healthcare and what we can all do to tackle some of the myths and misconceptions that are out there. Following @genomicsedu and #GenomicsConversation on Twitter or visit genomicseducation.hee.nhs.uk for more information.

Full transcript, links and references available online at GeneticsUnzipped.com

Genetics Unzipped is the podcast from the UK Genetics Society, presented by award-winning science communicator and biologist Kat Arney and produced by First Create the Media.  Follow Kat on Twitter @Kat_Arney, Genetics Unzipped @geneticsunzip, and the Genetics Society at @GenSocUK

Listen to Genetics Unzipped on Apple Podcasts (iTunes) Google Play, Spotify, or wherever you get your podcasts

The GLP featured this article to reflect the diversity of news, opinion and analysis. The viewpoint is the author’s own. The GLP’s goal is to stimulate constructive discourse on challenging science issues.

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