This episode answers the question of how our bodies avoid absolute chaos when we have two X chromosomes. Featuring the story of a brilliant female scientist - Dr. Mary Lyon, the experiments that led to her breakthrough discovery, and how it is helping patients today.  Cat-lovers, never fear, the magic and mystery of calico cats is also covered!

Sources of content and inspiration

"The Gift of Observation: An Interview with Mary Lyon" by Jane Gitschier published in 2010 in the journal PLoS Genetics at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2809768/

"Mary Lyon: The Geneticist Who Discovered That Women Are (Cellular) Mosaics" by Manuel Ruiz Rejon published in 2020 in OpenMind at https://www.bbvaopenmind.com/en/science/leading-figures/mary-lyon-geneticist-discovered-women-are-cellular-mosaics/

"Sex Chromosomes in Mammals: X Inactivation" by John Wing and Claire O'Connor published in 2008 in the journal Nature Education at https://www.nature.com/scitable/topicpage/sex-chromosomes-in-mammals-x-inactivation-522/

Credits
Cover art and newsletter design by Abby Armato
Intro and outro music "In My Dreams" by Freebeats.io

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