Episode 44 - Hybridization

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 23 September 2018

⏱️ 106 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

In this episode, we tackle the fascinating – and confusing – subject of hybridization. What are hybrids? Why are hybrids? And if organisms can breed across subspecies and species boundaries, what does that mean for our understanding of important topics like evolution, speciation, and conservation? In the news: saber-tooth footprints, a Cambrian filter-feeder, false extinctions, and an ancient pet trade. Time markers: Intro & Announcements: 00:00:00News: 00:06:00Main discussion, Part 1: 00:36:00Main discussion, Part 2: 01:10:30 Check out our blog for bonus info and pictures: http://commondescentpodcast.wordpress.com/ Follow and Support us on: Patreon: https://www.patreon.com/commondescentpodcast Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcast/PodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduw The Intro and Outro music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org. Muscial Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0http://creativecommons.org/licenses/by/3.0/

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:19.5	Hello, David. Hello, Will. And hello, David.
0:22.3	Hello, Will.
0:24.1	And hello, listeners.
0:30.1	Welcome to episode 44 of the Common Ascent podcast.
0:30.9	We're back.
0:32.3	We're back again. And we are here with a cool topic of hybridization.
0:38.1	Ooh.
0:39.0	Yes.
0:40.1	This topic is actually requested by Darcy on Twitter, and it is an interesting topic.
0:46.3	This is one of the otter ones to cover that we've done so far, just because it covers
0:51.5	a lot, actually.
0:52.9	There's a lot that's mixed in with this.
0:54.3	Basically, hybridization is when you get two different kinds of animals, species or subspecies or breeds, and they make a baby.
1:05.0	Yep.
1:05.8	Animal or organism.
1:07.5	And there's a lot that goes into that.
1:09.0	We're going to cover today what it is, you actually goes into it, and what causes it, and also how animals try to avoid it, because that is a big part of a lot of animals' life goals.
1:23.6	And then we're going to go through kind of what can happen when it does happen.
1:28.4	What are all the results that you can kind of get?
1:30.8	Lots of cool examples to give, lots of weird stuff to talk about.
1:34.1	But before we get to that, we have announcements, as usual.
	...

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