Meiosis | Dr Najeeb
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- čas přidán 18. 03. 2012
- #medicines #drnajeeb #pharmacology #medicaleducation #drnajeeblectures #meiosis
Meiosis | Dr Najeeb
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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
(0:00-2:45)
Definition & Outline: Gametogenesis; Oogenesis & Spermatogenesis; Meiosis & Cytodifferentiation.
(2:47-10:00)
Meiosis in detail: Diploid Early Germ Cells; 23 homologous chromosomes from each parent; defining homologous chromosomes; genes & alleles.
(10:01-13:15)
DNA replication; duplication of chromosomes; chromatids.
(13:17-18:15)
Meiotic division; Spermatogonia & Oogonia; haploid(1n) & diploid(2n); difference b/w "n" and "N".
(18:16-24:25)
Formation of double structured/diploid Primary Gamete: Primary Oocyte(2n) & Primary Spermatocyte(2n).
Short recap.
(24:30-29:30)
Major difference between Meiosis I and Mitosis: Pairing of homologous maternal & homologous paternal chromosomes: (1) Synapsis.
(29:31-34:59)
(2) Cross Over; Exchange of blocks of genes b/w homologous chromosomes from each parent.
(3) Chiasma; unique/recombinant genetic material.
(35:00-40:40)
Alignment; followed by Disjunction; random allocation into daughter cells;
Creation of 2 Secondary Gametes.
(40:41-46:45)
Double structured homologous chromosomes (2N).
Meiosis II: splitting of centromere; end of Meiosis II.
Final result: 4 Haploid single structured (1N) chromosome.
(46:47-51:51)
Recap. Difference of second meiotic division (Meiosis II) b/w males & females.
Purpose of Meiosis; genetic diversity.
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he takes his time to explain every point. This is why u never walk out of his lectures clueless and it is no surprise why this man is #1 in the world. So happy to be doing med school in a generation where these vids are available. U ARE THE BEST DR!
The real question is why are you still learning this in med school lmao. This is pre-med af
@@fernsader9261 embryology
Woah
@@fernsader9261the real question is why you're so mad 💀 everyone does this in embryology
I have always found this topic extremely difficult to understand today finally bcz of you sir i have understood this Thank you Sir 👍🙌🏻
For the first time ever in my life , meiosis concepts are cleared to me.
God bless you Sir ji🙏🏻
unfortunately professors are deviating from real teaching by introducing powerpoint and other useless technology that dont teach just for there sake of simplicity because they dont put any time or effort affecting students that truly want to learn. Thank you so much Dr najeeb for putting you passion and your time on teaching, we truly appreciated.The world needs more Professors like you.
you are born for medical student,you are Dronacharya .❤🇮🇳👏👍
Niva Trivedi in which standard is he teaching?
It's for collage and medical...not standard in schools. It's just elaborated
Anyone can use it by the way
No doubt
@@nikitayadav3111 he's a Pakistani and Teaching Pakistani MBBS students
you kind sir are helping ppl all over the world. im a dental student. and i personally thank you.
YOU ROCK!
Keep it up DR Najeed, you are a legend. it would have taken weeks for me to understand cell circle but with your powerful explanation i have gotten it within a single hour.
Sirji I Can't Explain How Big Favor U have done to us If I Become a Doctor that would be only Because of You Bata nhi Sakhta Kitna Bara Ahsaan hy apka mujh pr Allah Apko Jannat Mein Uncha Maqaam De Ameen.
i have so much confidence with my work after watching these lectures i wish more lecturers had such passion it makes retaining information that much easier. so happy!!!
Dr. Najeeb, you have the divine gift of teaching. Thank you so much for sharing. I am a 2nd year medical student and I have been so grateful for your lectures. Thanks!
From where
I'm here in 2023 as another 2nd year medical student. I'm sure his videos saw you through medical school successfully.
If a layman sees this lecture, then he will become an expert at embryology. This lecture is that good. Thank you sir.
Glad to see layman here as well
I had this doubts since ages. It resolved only by watching this video. Thanks sir 🙏🏻
Hats off to him..nobody can explain better thn him...i salute him
I cannot describe my gratitude to you in any words. May Allah prolong your life and give you proper reward.
This is the best video on meiosis ever till date ! Thank you so much sir
So crisp. So impressive. Thank you , Dr. Najeeb.
Thanks a lot ,sir! After so many years,the process of Meiosis is clear to me.
Great job!!!
his teaching style is very proper and he cover each point make every one clueless all the answers come in mind he discuss in his lectures
That's a good approach for gametogenesis, make a general outline first and then only go into details. THANKS DR NAJEEB..this is really helpful for me as a lecturer
I just came across this by chance...but this is the first teacher that explained the whole 1 stranded vs 2 stranded chromosome in such succinct and understandable detail...NICE!
He is the best bio teacher I have ever seen. ❤️❤️👍
I am addicted to your lectures . I do not even read books or my professors power point. So well explained. If I had a teacher like you I would have been smarter long before.
So nice of you 🥰 Stay blessed ❤️
so far I did not understand this.bt after your great explanation I got full information so happy. you are great root of education. thank u so much sir.
Dr Najeeb seriously no words for you. i had seen more than 40 videos on u tube and referred to many books and even my teachers but had never understood. Dr Najeeb salute to you and ur great teacher.
Sir seriously no words for uh..i had seen more than 10 sites on u tube and refered to many books and even my teachers but had never understood...sir great salute to uh..u r the real teacher who has the dedication to teach
Sir, your videos are of great help to students especially from disturbed zones like Kashmir. God bless you for illuminating the darkness.
A very deep concept of this complex topic in such a simple way.Thankyou so much Sir.You are a blessing for the world.
Best Video on Meiosis Cell division till now...
Sir Me and all my friends watch your lecs...love from India💙 You are Daimond for us
Fantastic lecture ever seen or heard .thank you sir for making understanding this concept.
just bloody...wow....started loving medicine due to u sir.....thankyou for revising this which was never given importance in meds school
What a lecture! fantastic, May Allah Bless You Sir For Your Great work.
10 years later and still the best ❤️
Thank you❤️ Keep supporting ❤️
u r a blessing for us .... may God bless u more , dnt have words to say thanks to u .., Thankyew sir for making such an amazing efforts for u...
This video is 8yrs old but still useful in 2021..
Awesome...
11 years later thats when i need this.ANYWAY THANK YOU.Because this is the first time I've understood this process
You are welcome❤ Keep supporting ❤
Sir you are too good...I would consider myself extremely lucky if I would get to attend even one of your hypnotising lectures!!!
I am very confused before seeing ur lecture but now i understand all processes thanks alot sir😊
Dr. Najeeb I m waseem from India and I called you teacher of the Era
Really you have cleared this topic Finley..... Thank you so much
Really sir you solve my all problem according to this topic,
Thanks sir g.
May u live long,so that u help humanity like u do..
I am a pre medical student...very much informative...deeply understood...
No words to explain your explanation sir
Thanks
Really like this guy...and I watch a LOT of lectures...
No matter how the concept is explained by others the way he does it makes it more clearer 🤣. Wow, what a mind. May God be blessed for Dr. Najeeb is a blessing to humanity.
Thank you for all the love and support❤ Stay blessed ❤
Thanks for your such a great support....❤❤❤
thank you very much sir you have cleared all my concepts about meiosis........your explaination is very good
awesome explanations ..before this video i think i was beating about the bushes
What i actually want when i was in initial 11th strandard that ....could any one teach the biology in delve ....
After a long long watching yur le tures its bowing my heart
Thanks ...you actually 100 percent understand the need of the our
This is the honesty....salute you sir
Thank you for your love and support.
Amazing.. this lecture answered my every question.. and make me understand whatever I wanted to know... thank you soo much
i cant exprsess my feeling and love to you and your number 1 lectures dear dr.najeeb / all i can say say is (god bless you) thank you very much .
Thank you for your love and support :)
Best lecture ever had on cell division👌
Dr Najeeb is a good professor Biology. long live Dr Najeeb!!!!
Best explanation I've seen of meiosis so far. I think I finally understand it. Thank You!
Glad to hear that. Students like you keep me going. Keep supporting. ❤️❤️❤️
Thank you so much doctor,my challenge has been solved,God bless you
His teaching style is generous. He wants to share knowledge with the world. He certainly doesn't belittle students for some of those questions, lol.
pixpusha really you are feeling jealous from this Dr. a good human and accomplished human never Jealous. I think ur less knowledgeable person
Dude wtf! you certainly didn't understand what pixpusha was saying. Stay positive in your life and also learn some english.
@@izzatkhan8151 abe chut
Thank you sir very helpful....
You are really very amazing sir...the way u teach..really outstanding sir...please give us video like that. Thank u. And 1 request also pls upload full video on cell cycle
the best in the world .. thank you sir.. 😊
amazingly super lacture on meiosis.. i m ur fan now respected teacher may u live long happy healthy life amin
Your lecture is clear my all the doubts about miosis and mitosis
Thanks sir
Sir you r the best teacher of era.... lots of respect and prayers for u ... 😊😊😊👍
The review of the difference between homologous chromosomes, single chromotid chromosomes, and two chromotid chromosomes really helped me in understanding the big picture! Thanks!
Thanks for sharing your valuable feedback. Keep supporting ❤️
Amazing knowledge and teaching skill...one. would never loose attention.
Grateful to you,Sir...The topic is totally clear now.. Thank you so much...You really are an Inspiration!🖤
You are most welcome! ❤️
God bless u sir ! You r indeed a blessing for many !
Watching after 8 years of uploading🤔🤓 April 2020
Fantastic explanation 👍
May u live many many long years and provide this kind ♥️
Of teaching to us😇😇😇😍🤩🌻🌻🌻🌻🌻🌻🌻🌻🤩
Excellent sir,.... God gifted with many tallents... With one video I understand whole concept
Your teaching style is wonderful 😍😍💪
Finally I got it. Thank you Dr. Najeeb!!
you explained welll sr u re great
Thank u sir your way to teach is spectaculous
I understand it very clearly.
Very very thanks sir clear my confusion in meosis .I clear my concept
Wow!!best explanation thanks teacher
He is remarkable personal. Wonderful explanation
very very good and genious teacher all teachrz must be like him thankz alot sir
finally got cleared about meiosis.Thank u so much
ur teaching method so awesome
amazing, excellent Teaching
Keep doing Good work sir
ALLAH sir ko labi omr ata farmayi or upni zindygi pr zabar jamil ata faramyi.
Thank you isn't enough...
Masha Allaah sir, you are wonderful,waiting for ur more and more awesome lectures, thank uuu sooo muchhhhh, Allaah bless u
Simply amazing!
Thankyou so much sir for clearing our concepts we respect you alot.
No Words to express my Thankfulness to You.. Sir..May God Grant You Long Live.......
ameen
Thanku so much sir,,,,, ur explanation is fully by depth.
sir u r my real guru.....awesome lecture sir...truly... it was very very mch helpful....God bless u sir
Sir You Are Just AmaaaaaaaZiiiiiinggggggg Love you Sir.
thanks sir, amazing explaination
Thank you sir, you have really cleared the confusion in my head. Thanks a lot.
Glad to heat that it cleared your concepts. Stay blessed ❤️
Thank you Dr. Najeeb :-)
Sir you are true professor
Thank you so much sir...this lecture is the best way for clearest and detailed explanation I have ever learnt
Thank you so much :)
Sir,
It's so overwhelming to get a reply from you...I have been searching videos on this topic for the past 1and half years.....
And this is day all of my doubts got cleared...
Thank you so much sir..
Its sooo informative. Sir u clear my all confusion. Thankx
Superb! Sir you are great.Plz make more videos and make our medical journey easy.
Super najeeb sir thank a lot for ur teaching
Nice to see such a kind of lectures.
the only teacher I look up to!
Now I am in class 10th and in a phase to study this topic but I was not able to study or understand this topic from any reference book but this man has made my concept clear I respect you so very very very very much
I was just confused in the meiosis stage 1 and 2 because our school teachers don't teach like you and in reference book it is not clearly mentioned
But only because of you I am able to understand this topic very
Very thank you sir
Glad to hear that. It really made my day. Stay blessed ❤️
@@DoctorNajeeb Thankyou Sir for your blessing.
I want to become a doctor and I think your lectures will make it true one day
thank u so much sir g respected sir u clear my basic concept on meiosis God bless u sir i solute ur hard worke