The Gene Explained | Is That a Banana in Your Genes?
Humans are indeed genetically related to bananas (as well as slugs), but how exactly?
From
The Gene Explained | Is That a Banana in Your Genes?
Special | 3m 21sVideo has Closed Captions
Humans are indeed genetically related to bananas (as well as slugs), but how exactly?
It’s true that the banana and the slug are our genetic relatives, and so is everything else. But what does that mean? Which parts of our genes are related and just how much overall do we have in common with a banana and as science advances, how will that affect future fruit baskets?
From
Funding for KEN BURNS PRESENTS THE GENE: AN INTIMATE HISTORY has been provided by Genentech, 23andMe, Cancer Treatment Centers of America, Alfred P. Sloan Foundation, Gray Foundation, American Society of...
The Gene Explained | Is That a Banana in Your Genes?
Special | 3m 21sVideo has Closed Captions
It’s true that the banana and the slug are our genetic relatives, and so is everything else. But what does that mean? Which parts of our genes are related and just how much overall do we have in common with a banana and as science advances, how will that affect future fruit baskets?
From
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The Gene Explained
What the heck is a gene, anyway? This animated series won’t get you a PhD, but it does clear up a few mysteries about how genes work and what they might look like in the future. (Microscope not required.)More from This Collection
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Providing Support for PBS.org
Learn Moreabout PBS online sponsorship(upbeat music) - Hello.
I am a banana.
I would tell you my name but bananas don't get names because we are devoured.
Which is funny, because I've heard humans share 40% of their DNA with bananas.
So I guess that makes you a cannibal.
- And I heard you share 70% of my DNA.
Ha, ha, ha A slug!
Hee, hee!
- Shut up.
You're gross.
Humans don't even eat you.
- Contraire mon frère.
Ooh.
What about escargot?
- That's snails.
Humans just pour salt on ya.
They don't eat you.
- Neither of you is exactly right.
- No, no, no, no.
I'm right.
Humans don't eat slugs.
- Well, that's true.
- Ha, ha, ha, ha!
- But what you said about human sharing 40% of our DNA with you is misleading.
- Hee, hee, hee, ha!
- But, but, but, but!
- Shhhhhh!
- Let's climb that phylogenetic tree over there and I'll explain.
There's nothing we found yet that doesn't share at least some DNA with the rest of everything else.
And so in that way, we are all in the same sort of DNA family tree.
- Mommy!
I love you so much!
- Not that close.
Let's take your 40% statistic.
If we only look at the protein making genes, then sure.
We humans share about 40% of our genes with bananas.
- Okay.
So I am right.
I was right!
Ha, ha, ha, ha!
Right?
How do I get off this stupid tree?
- But that's just part of our DNA.
Have you ever heard of Hox genes?
- Oh, oh, I have!
Hox genes are the brand.
Hox, slime, tight fitting, and just right for those Hox garden nights!
Hox genes.
- Ugh, Uh, the Hox gene controls other genes to make sure all the body parts are laid out in the right order.
So if a species doesn't share human Hox genes, it isn't going to end up looking like a human or like anything closely related to one.
- Hey guys!
Do these Hox genes make me look, hee, hee, hee, hee, human?!
- Well, well, well, well!
I'm still pretty right.
We share 40% of our protein making genes with humans.
- Well, protein genes only account for about 1% of a humans DNA.
The remaining 99% is a critical difference.
So humans are not bananas.
and bananas are not humans.
Not even close.
- Oh, you thought I wanted to be human.
Ho, ho, ho, ho, Okay!
I mean maybe you want to be a banana.
There's a lot to being a banana OK?!
You couldn't handle all of the banana it takes to be a banana!
- Yo, I'd like to be human.
Or a banana.
Or a human.
(upbeat music)
Funding for KEN BURNS PRESENTS THE GENE: AN INTIMATE HISTORY has been provided by Genentech, 23andMe, Cancer Treatment Centers of America, Alfred P. Sloan Foundation, Gray Foundation, American Society of...