How Genetic Changes Help and Hurt Us: The Human Variety Show

Ever wonder why some people are lactose intolerant and others aren’t? Or why some people have naturally thicker hair than others?
Some traits, like walking upright and using tools, define us as humans and have become fixed in our DNA over millions of years. Other traits that aren’t shared by everyone are more recent results of genetic adaptations to the very different environments humans lived in. But it turns out that genetic variations that once helped us are now causing trouble for human health.
#Genetics #HumanEvolution #Migration #Variation #HumanHealth #DNA #Mutation
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[@infinitemess]

This is a wonderfully well-composed video. It even answered a question I had as I was watching it, which was "what downside is there for greater oxygen efficiency?". A really great illustration of the tradeoffs that selection pressure creates.

[@nowie4007]

This was a very interesting and informative intro ❤❤❤

[@AmericanMuseumofNaturalHistory]

Thanks for watching!

[@mrtienphysics666]

this is a very good video.

[@Ukrainian-22]

1.3K views in 2 days 😪
While some stupid videos about celebrity life get millions of views in an hour.
It's very very sad...😪

[@jackwt7340]

As fascinating as the Computer History Museum

[@joãoAlberto-k9x]

O.K.

[@owenosteocyte7455]

This is so cool

[@AmericanMuseumofNaturalHistory]

Thanks! We think so too!