Chromosomes, Chromatids, Chromatin, etc. 

go to 9:00 to go directly to the chromosome, chromatid, chromatin part

I could cry, this channel is great. You guys are making people's lives better.

what make you a good teacher is your ability to identify the parts which are confusing to the students. thank you!

i like when he bugs himself as he's writing something and just continue to repeat the same thing over and over: "Transcription... transcription... trans.. scription... transcription! Transcription". Shock teaching, very effective. Amazing video!

My geezus! Week 6 of a 8 week Biology class and I finally understand what in the heck the differences of the 3 C's are! I swear if I could go teleport, I would, just to look you in the eye and say...THANK YOU!

I've studied this two years ago in class and didn't understand the differences between chromosomes, chromatin and chromatids, I read 2 different bio books and still didn't understand... today I was trying to explain it to my sister and found your video, and in less than 20 min we learned it easily! Thank you!

whats amazing of these videos is that if you turn on caption, the subtitles are so matching and so accurate when he speaks

Fantastic way of teaching a very difficult subject to the students. From a former professor in Medical college.

A chromatid is just the compact form of chromatin. It only has this form when cells divide. Most of the time it's not in this compact form. Then the chromatin lies in a very shambolic way in the nucleus. In this form the DNA is far more accessible for enzymes to do their job on the DNA.

So brilliant!! I was struggling with the 3 chromos, but it makes so much more sense now!! Thank you!!!

This literally made me start crying as soon as I started getting it, thank you so much!!

Thank you so much, this helped a lot!

Really informative! Thank you!

so very helpful thank you very much sal

This is really helping me with biology. I’ve watched at least 10 or more videos. Thank you

i completely agree with the difficult vocabulary dealing with chromosomes and chromatids. that's what has been confusing me in my genetics unit and you have just completely cleared it up. THANK YOU

I like how you bring all the little things I've learned and put it in a larger picture. Thanks.

Thanks that's extremely helpful & clears up a lot of the confusion around all these terms...

Thank you. The fact that they can refer to different things and it doesn't entirely make sense made this make so much more sense. My biology professor just never bothered properly explaining the usage of those terms.

You are so helpful. I totally get it now. You make it seem so simple and easy! I'm listening to your videos now instead of listening to my professors recordings. Thank you so much!

thank you...

Thanks, very helpful as always!

You are literally a life saver. Huge exam tomorrow and finally understand. Thank you so much !

Very nice work! I think it's acutally hard to explain all this stuff in an understandable way, but you did a great job!

I cant thank you enough..the only video/material that explains this for me!

This was the most helpful video of them all!

Thank you really helpful

Thank you so much, it helped a lot!

Thank you so much, that is very clear

this video is great, makes me understand everything so easy!

Thanks!

YOU ARE AMAZING THANK YOU SO MUCH FOR HELPING ME WITH MY FINALS

شكرا thanks

Very helpful, thanks.

Thank you Sal

This video is really helpful.Thanks to Khan Academy..

i love you * Patrick voice*

Jazhak-Allah kher your all video is very useful for me

Thanks a lot!!! This was very helpful and cleared up the confusion for me!!!!

Wow, thanks!

I needed this so much...Just Started learning Genetics at school...I'm indeed grateful

really, it is very useful for us...thnxs

absolutely amazing video

Thank you so much!!

THANK YOU SO MUCH!!!

Thank you!

Thanks this helped a ton

is a very useful explaination...thanks

I am impressed as to how quickly and clearly the guy was able to write stuff down through a mouse/ touchpad.

u are the best teacher in the world!!!!!

So helpful.

great explanation... very understandable and interesting way of teaching. thankyou!

really helpful 👍

I love you video. Your lectures and drawings made everything from complicated to simple. you did a great job!

THANK YOU

This video was very helpful.

Thanks aloOoOot ...best wishes ♡

thank u!

GREAT EXPLANATION, IT TOOK ME YEARS.

helpful video.

Now I understand! Thank you!

Amaaazing video...clears up all doubts... thank u soo much :)

You're the man ... Everything is clear and easy to understand 👏🏻👏🏻👏🏻

Thank u so much that helped alot

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Thanks sooo much for this!

So much info to take in!!!!

Amazing video!

this helped me out alot thanks

good one, bravo.

Thank you so much! Your videos are carrying me through my whole BS in Health Science

Very informative and clear and concise. Thanks

bless your soul -from me (year 2020)

Sal thank you so much!

The thing with this is that , it's not boring to study this way!

This is the best!

Can't believe this video is 11 year ago 😳

Thanks:)

thank you! thank you!!!

all of your videos got me through genetics, anatomy, and my immunology classes. thank you!

thanks you for the explanation, it helped me prepare for my exam :)

I love that he repeats everything lol thank you for these videos! im studying for my ap bio final and this helped so much

thank you very much .. you are a life saver 😍😍

This video was very helpful. THANKS!

Thanks. It was very informative and cleared all my doubts about chromosome chromatin and chromatids

DAH! I'm so happy I found this but wish I'd found it earlier, you're awesome!

thanks man

Thank you siR. #respect

wow...this was really helpful ....i always get confused with the vocab....thanks alot :)

I love the way you explain everything, great job!!!!

Your explanation is on point

I always like to learn the Anatomy associated with any process before learning 'bout the actual process.this method works for me.

thank you :)

got a bio test tomorrow, this just saved my life!

Impeccable channel. This is the best one ever. It literally serves the purpose of my university. Loads of Thanks to the contributors, for making the logistics comprehensible to all of us.

thank you so much !! this video did clear up a lot of my confusion about this topic 😭😭❣️❣️

Yes it did, This cleared things up

This saved my life ❤️ thank you so much ❤️❤️

loved the video. I was studying for a bio exam and something he explained wasn't clear. I spent an hour in lecture and you spent 18 minutes explaining this clearer than my professor. good stuff.

thanx alotttttttt