DNA Fingerprinting
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- Опубликовано: 13 авг 2024
- Paul Andersen describes the process of DNA fingerprinting and DNA profiling. He explains how variability in STRs can be used to identify individuals. He explains the importance of DNA fingerprinting in forensics and paternity cases.
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I was a little bit scared to watch this video because I'm from Germany and I don't understand biology in German so I thought how am I gonna understand it in English, but this was a really great explanation and I got nearly everything, so thank you for that! :-)
***** geht mir auch so ;-)
Alle deutschen Erklärung sind unnützlich
Are you Jewrman?
*German?
haha same
This was a very clear explanation. Way better than my textbook, so thank you very much! :)
You are such a good teacher!!!! I have at least two classes psych and bio and they both have your videos required for assignments, but you explain everything so perfectly. Thank you
I've been revising all day and stuck on this. Watched this video and it explained all... thanks again!
Hi Mr. Andersen! It´s great that you shared all your knowledge about "biology", we are colllagues, I handle many topics as you do, the basic reason why I am here it is because I am improving my English, an specif English, I must say, you are brilliant and you reminds me to a friend from my days as an undergraduate. Also, I am refreshing some topics! Now I work as an elementary teacher. I miss sometimes teach at high school! I will continue watching your interesting videos lessons. All the best! Greetings from Venezuela.
This was EXACTLY what I needed and trying to understand on my own for hours... This explenation is perfect
Paulina, It's actually spelled explanation.
I love it when I can youtube something that I'm studying and you pop up in the search. Keep em coming :)
Very clear and precise. Outstanding job Mr. Andersen!
Biology Professor on Academic Probation + Finals tomorrow + Bozeman = Passing scaled Grade -Thank You!
Thank you! I was given a research assignment and had to understand STR's to complete the assignment, and this video explained everything so well.
I'm a master student now, I have been watching your videos since university.
THANK YOU for being helpful.
I really like you because this is the first time in years that someone has taught something in a simple, fun way. I haven't been taught like this since I was a kid. You see professors overcomplicate things all the time just because you're in an advanced course. Goes to show no concept is too hard to be taught simply. Some people are just better teachers, I suppose.
I know that the video was posted eight years ago, but I just want to thank you because i wasn't understanding the concept of STR until I watch your video. PS: I'm brazilain, so I'm sorry for the english gramatical errros :v
didn't want to call him Mr Brown then
hehe not pc. also guess who committed the murder.
say no to racism 🤣🤣🤣
I think it's mr blonde
@@dabbingpotato Exactly stop thinking in colours and call everything racism.
@@iberlo85 i aint g, u thinking too much
Very clearly explained without delving into complex genetics. Paternity comparisons would also be interesting to see in the video.
This is an incredible video you couldn't make it more simplified even if it's a little bit complicated thank you so so so much sir .
Thanks a lot, i'm having a biology exam about this tomorrow and it really helped ! you're really good at explaining :)
My bio final is coming up in a few days. I'm counting on your videos for a review. They are simply amazing!
Lol how are you now
OMG... hahaha "... who looks like they are capable of murder." "... in which your insurance company would love to get a hold of." Been watching your videos for a LONG time now and that was the first time I ever heard you pull out humor like that.
This was great thank you so much! Didn't understand any of this topic until watching this video. Thanks again for the great help!
this site is the best science education I've seen - and I've seen quite a bit.
Really best video to understand what is DNA fingerprinting
If you already know the process of extraction of DNA then Electrophoresis and detection of DNA then it is easiest to understand
I thought mrs. red is guilty. she looks crazy :P
red always sus
@@esh9x153 AYY among us LOL
Me too!!! Red sus
Lol
hello i have a question. at @3.11 why are there two different colours of the VNTR. Does it mean that each non coding region has different repeated sequence? Sorry if my concept is not right i just started learning about this bio class :-( thank you
Thanks a lot for this lovely video. I don't have words to explain how much easy it became for me to understand. Today is my final exam of Forensic Science and somehow I was not able to understand STR correctly. Thank you thank you thank you. Love from Pakistan 🇵🇰
thanks a lot this really helped... i was really confused but then voilà its crystal clear now.
This types of explanation can make me bioengineer, nice explanation brother, keep going
Its really an amazing presentation, made all the query solved easily. thank you , sir .
Excellent video on DNA fingerprinting . Easy to comprehend.
your the best! so easy to understand thank you for the vids! we need more teachers like you!
Wow you can’t imagine how helpful was this video! Thank you so much
thanks Mr. Anderson your teaching is too perfect
This is a great, clear, interesting explanation. I have a quiz tomorrow, so thank you!
thanks this helped me a lot...ive been behind in my college biology, and this made things a lot clearer for me! Thanks again!
i know you made this video 5 years ago, but thank you for making this video.
Thank you Mr Bozemann :) and I thought it was Ms. Red
I had some lectures with Sir Alec Jeffries, and his lab is not on the pic at the start - it's just off to the right in the Biology dept.
I really appreciate your struggle . You deserve something mindblowing.I am from Pakistan , I understand you lectures as of my own teachers. Would that I could download your mind also!
Wow after months of being completely lost I finally understand this. Thank you!
som1 give dis man a medal for such a fabulous explanation...... dude u ROCKKKKKKKK..................
Very timely. I'm doing this right now with my Freshman class. Thanks
this was interesting, thanks! DNA/forensic material is fun to learn :)
you deserve a Nobel Prize for teaching
Your videos are great! They are the reason I'm surviving (and enjoying) AP biology!
thanks for the explanation, i have a final exam tomorrow and you're really helpful
u r my number one best genetic doctor.
amaaaazing video! you are great explaining!!
Capillary electrophoresis is more commonly used now instead of gels. Also, statistics are needed to put weight to the profile to show how likely it is that someone else has that same profile.
Thanks for making this videos! You're explanations are great 🙌🏼✨
This man is amazing teacher.
please keep uploading more videos it helps me understand biology easily.
Amazing I have a test tomorrow so it really helped me a lot
I liked before even watching the video!!! That's how AWSOMEEE these videos are!!!
thank you @bozeman science, very helping me to understand what STR analysis are
Very Well Done!
Clear explanation.
you are so helpful!
not gonna lie, sometimes i'm just to lazy to read whole chapters so i'll watch your videos instead xD
I like the video it is colorful and easy for my students to understand. However, the only confusing part is it is focusing on STR (short tandem repeats) which are only 2-5 base pairs long not like these you are representing in the diagram. Those would be VNTR (variable number tandem repeats) which are between 9-80bp long.
It is veeeeeeery helfpfull..
do u have another vedio comparing mr. Blond's DNA with his kids or relatives?
That would be perfect help.
Thank u very much.
Wonderful class dear sir.
A good video with good animation. At least i am able to understand better than only reading the textbook! Thanks!🖒🖒
Thank you so much for the video! You're such a good and fun teacher :D
Great lecture...
Let me know if anyone knows here that changes occur due to tandems while the genetic regions are 99.9% similar in all individuals. But the differences occur only in genetic characters the tandem only help in fingerprinting????
Great video, one small error? When Mr. Anderson is talking about the three individuals in question and piles them all up on the top of the screen into the wells of an electrophoresis gel around 3:30. His oversimplification has the two different STR regions loaded into the same well and ran on the gel. YOU WOULD NEVER DO THIS! Why? It would not allow you to compare the STR of interest, because your ability to differentiate in a gel is soley based off size (mass). If you had two different STR regions of interest for three individuals, as in the video, you would need a total of 6 lanes. Or am I wrong?
can you be my BIO teacher instead? I was really lost in class but now I totally understand the whole subject now!!! thank you a million times!!! (:(:(:
Your explanations are awesome.
Extremely helpful and easy to follow . Thankkk youuu
Final lab report due tomorrow.. I did nor have any idea what the hell I was doing in the lab but now I know. Thank u
You're amazying, making everything so simple! Thank you!
i knew it! i knew it was mr.blond!
my money was on mr. stache...
When a DNA fingerprint is created, what parts of the DNA are cut out and used? (this is a question for my bio class)
the non-coding region with tandem repeats
@@golamwahid8630 Thank you so much!!!
So only tandem repeats are extracted by restriction enzymes to do gel electrophoresis instead of any segments on the DNA (e.g. genes) because the repeats have variable lengths? Thanks
Awsome, finally my concept is cleared now.
u should have also told abt the complete procedure of obtaining these DNA fragments...do u have any video related to this??
You are simple a legend, please do more videos
If you could make a video series covering A level Biology and Chemistry that would be super helpful!
Keep doing biology videos until the sun sets! They're really interesting. Thanks:)
Great videos you do, thanks Anderson!
Thank you so much. Your video was really helpful!
Great video, very concise explanation.
I was taught in lectures that VNTRs(minisatellite sequences) are used for DNA fingerprintings, not STRs(microsatellites).
thank you! best video to understand how dna fingeprinting works :)
Many many many thanks to you Mr. Anderson. So simple yet accurate explanation.
Really awesome video...very nice...
Mr. Anderson why is VNTR known as Mini-satellites or micro-satellite. How have they connected to a satellite?
Great work so simple and intense knowledge
hi can someone explain to me how do we precisely excise out all the tandem repeats? I know you use a probe to attach to the start of the tandem repeat and then you PCR it but the thing is wont the probe have a multitude of sites to bind to- as they are tandem repeats"
Thank you for your teaching clips! They are really great and helped me a lot. But I realised a slight error in this particular clip: DNA would move towards the negative pol instead of the positiv, like the current. (Sorry for my english, it is my third language)
As DNA are negatively charged,they will migrate to the anode,the positive pole.
thank you! I was very confused for a moment, but now I got your point. I thought the anode would be negative instead of positiv.
@@tirapurus I realize I'm replying to an old comment, but I always remember the difference between the anode and cathode by thinking cats always have an attitude or "negative" disposition, therefore the cathode is negative.
So so good at explaining things. Thanks so much.
what is the restriction site for the restriction enzymes cutting the STRs? do each of the three people have common restriction sites before nd after the repeats (thus the fragments would be different lengths as they are each cut at the same restriction site)?
The video is good. The thirteen different sections require thirteen pairs of primers for the PCR? You say "they are cut out first, then amplified". This implies thirteen pairs of restriction enzymes. Am I on the right track?
thank you sir, your channel is the best!
I really like your videos! They are good and very easy to understand.
even though English isn´t my primary language, it was easy to follow.
thanks a lot! :)
Thank you have a biology yest tomorrow and my teacher sucks. My book is confusing and this helps to much.
what is the restriction site? is there a common restriction site in all 3 people's DNA before and after the STRs?
Thank you for clearing by doubt
Thank you, Im from Mexico and I dont speak english too good, but I really undertood your video!!
Thnks sir for this great explanation its totally understandable and very easy to learn and keep making such a beautifull videos thank you so much
very nice explanatory video. this really helped me. thanks!
You are a great teacher ..!!!💮🌼💮🌼🌺🌺