Episode 223 - Mutations

The Common Descent Podcast

Common Descent

Science, Natural Sciences, Education, Earth Sciences, Science:natural Sciences

4.8 • 764 Ratings

🗓️ 3 August 2025

⏱️ ? minutes

🔗️ Recording | iTunes | RSS

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Summary

Mutation. It is the key to our evolution. As our cells constantly divide and reproduce and replicate our DNA, errors and inconsistencies develop, leading to the incredible variation of life that drives evolutionary change. This episode, we explore the genetic mechanisms behind mutation and we discuss how scientists study mutations to understand the evolutionary history of life on Earth. In the news: Neanderthal tools, caiman food, dancing dinosaurs, and ancient integument. Time markers:Intro & Announcements: 00:00:00 News: 00:09:25 Main discussion, Part 1: 00:40:50 Main discussion, Part 2: 01:35:00 Patron question: 02:28:55 Check out our website for this episode’s blog post and more: http://commondescentpodcast.com/ Join us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast Got a topic you want to hear about? Submit your episode request here: https://commondescentpodcast.com/request-a-topic/ Lots more ways to connect with us: https://linktr.ee/common_descent The Intro and Outro music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:19.0	Hello, David. Hello, Will.
0:22.0	And hello, listeners.
0:23.7	Welcome to episode 223 of the Common Ascent podcast.
0:28.8	Today's episode, we are discussing mutations.
0:32.3	Mutation.
0:33.2	Said in the voice of Patrick Stewart.
0:35.3	Yes, yes.
0:36.6	All of you need to hear it that way.
0:39.8	I'm very excited about this topic.
0:41.7	This is one of those foundational topics.
0:44.6	This is key to understanding how life works on our planet and how evolution happens.
0:54.2	Yeah, we get to get into the genetic weeds a little bit.
0:57.3	Yes, so get ready to jump in.
1:00.1	This is going to very much be an overview topic
1:02.9	because this is a large topic,
1:04.9	but it will be kind of, this one feels the most to me
1:08.2	like we are effectively recording an intro textbook chapter.
1:14.8	So we'll go over what a mutation is, what causes mutations, what kinds of mutations
1:21.9	those things can cause, how we are protected from mutations, and then how it applies to evolution and to paleo research.
1:32.9	How do we study mutations in the past and use mutations to understand the past?
1:38.6	This topic was requested, which is why we're talking about it, as all our episodes are, this was requested
	...

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