Mutations (Updated)

Factual Reference:

***Further Reading Suggestions to Go Beyond This Content!***
-Yes, mutations can happen in viruses! Check out master teacher John Mead's National Geographic Education blog post on this with the influenza virus:

-Mutations in fruit flies? Learn more:

-Careers in Genetics?

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TRANSLATIONS:
Hindi Subtitles Credit: Alisha Aggarwal
Turkish Subtitles Credit: Emre Durak

[exgqjwk]

Here are my notes, you guys can skim through it if it helps!!

Gene Mutations

Mutations=change in DNA bases=Different protein=diff traits

Can be harmless, beneficial, disadvantaged
-harmless are usually the misplacing in matching codons

-the mutations that show are frame shifted

Frame shift
insertion, deletion
-bases read in 3s is changed, this effects the whole reading frame shift
-lead to several amino acid changes


Chromosomes mutation:
-made of protein or DNA
Duplication
Extra copies of genes made

deletion
Genetic materials break away

inversion
Reversed chromosomes

translocation
One chromosome breaks off and attached to another chromosome

Meiosis
(Gametes of half chromosome number)
-sometimes the chromosomes don’t divide equally
-too many or too few chromosomes in the gametes during intersection

When the parents have the same mutation, their offspring will have this mutation

When the offspring inherits one gene of the mutation, they are a carrier
Carrier
-not having the mutation
-not having symptoms

[myraames]

Most of the comments are saying how it helped them with pre-bio or bio class but im over here in 7th grade and the teacher is making us watch this

[eritreanaudiobooks]

I got a 4 on my AP Bio exam and without you guys, it wouldn't have been possible! Thanks

[racoonvile]

Time codes:
1:55 Gene mutations
3:12Chromosome mutations
5:20 Sickle cell anemia

[Sushiisalmon]

You guys are the best though, you make hard concepts seem super easy, you helped me with pre-AP bio and I’m sure will with AP bio this year! Thank you.

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[pangstitch]

I learn more in a 7 minute video than in my 2 period 90 minute ap bio class and I'm literally gonna fail my test tmr

[ggukiescave]

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[joyfullin]

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[christianborer]

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[emb]

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[oliviakim]

I love how everybody is talking about how this video helped them pass their class while I'm just over here laughing my butt off at the fruit flies xD

[kellyspencer]

Someone tell me why I sit through hour and a half classes when I could be watching this from the comfort of my own bed...

[shadesj]

I showed this to my younger brother and he loved how well explained it is and the drawing which helped him understand a lot more than how his teacher explained. Thanks <3

[rae]

When your college professor sucks at giving lectures so you turn to the real MVPs who got you interested in science in the first place

[awkwardhuman]

I love the little comic panel at the end of each video! They always make me smile and I find an interest in learning about mutations! ^^

[MelonBubbleHead]

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[q_likes_bugs]

Yay! More science!

Today mom looked at me weird because I was talking about DNA replication and 5 prime to 3 prime.

Thank ❤️

[qingyangli]

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[alialshehri]

I’m a medical student and I still benefitted from this video, thx!