Genetics - Chromosome Structure and Types - Lesson 18 | Don't Memorise

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📅🆓NEET Rank & College Predictor 2024: infinitylearn.com/neet-rank-p... DNA is the basic unit of Heredity. But the stretch of DNA is so long that it seems impossible to fit it in the tiny nucleus. So how is the long DNA stretch fitted into the minuscule nucleus? And what exactly are Chromosomes? Are they different from the DNA? Watch this video to find the answers.
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In this video, we will learn:
0:00 Introduction
0:21 chromatid structure
1:22 duplicated sister chromatids
2:23 Centromere
2:54 Types of chromosomes based on the position of the centromere
3:08 Metacentric chromosomes
3:33 Submetacentric chromosomes
3:46 Acrocentric chromosomes
4:05 telocentric chromosomes
4:45 Autosomes
5:19 sex chromosomes or allosomes
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#Genetics #Chromosomes #Biology #neet2024 #infinityLearnNEET #neetsyllabus #neet2025

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#DidYouKnow:
April 25 is the anniversary of 'The Human Genome Project' where the human genome was sequenced for the first time. Thanks to the project, we now know that our genome contains around three billion A, C, G and T bases - the molecules that help make up the DNA code.
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[@himar1015]

Could you please make animated video on Chromosomal Aberrations.

[@santoshitekam9752]

Molecular basis of chromosome pairing

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Many thanks for this beautiful learning and great job

[@aves4081]

Amazing video! I learned a few things that we didn't mentioned in school. Thank you❤

[@shahjohn6469]

Can you make a video to descibe the difference between DNA, genes, and chromosomes

[@genuineknowledge9336]

Shah John DNA (deoxyriboneuclic acid) resides on the structure of the chromosome. The DNA is made of of genes and protien (40% protien and 60% genes). The DNA & protie when are seen as whole, form the structure of chromosome.

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[@InfinityLearn_NEET]

You're most welcome. We are really happy to hear that it was helpful to you. We are glad that you understood the concept. You motivate us to do better. Keep watching our videos : )

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N

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Concept clear!

[@hasinabegum9446]

Can you please details explain about that Q arm and P arm

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To!?

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[@InfinityLearn_NEET]

You're most welcome. We are really happy to hear that it was helpful to you. We are glad that you understood the concept. Do support us by subscribing to our channel. 👍👍

[@akankshaxod]

Thank you ✨

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Do you know what is chromosome if it is a profession? Im just thingking but i cant think of profession

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[@priyabahuguna1823]

Can you make video on two parallel strands of DNA

[@nazirabashir4901]

In metacentric will there b some term like P and q arm

[@judestar62]

Hi I am missingt he chromsone 13 or 23 can't they get me a new one lol and where do I find out more about it

[@naitikgamer2682]

Thanks

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Thank uuuu

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Pls make a video on genes kinds

[@frapechinokelsey6451]

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[@zoyakhan77777]

mam why telocentric is not present in our body?

[@riddhakar380]

Thank you!!!

[@InfinityLearn_NEET]

You're most welcome. We are glad that you understood the concept. We are happy that we could help you learn. Do support us by subscribing to our channel. 👍👍

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Thank you sp much Anuradha for your appreciation. We are glad that you understood the concept. You motivate us to do better. Keep watching our videos : )

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Please

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Can you please make the video 'bout chromosome orientation in mitosis and meiosis???

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[@lancemarcelo1225]

Can some explain why the positioning of the centromeres is always situated to the p-arm but not on the q-arm?

[@frozencrystalblue2009]

That's cuz p means petite arm, hence the shorter arm is the p arm. Hope this helped :)

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[@InfinityLearn_NEET]

You're most welcome Sima and Thanks for your appreciation. We are glad that you understood the concept. Do support us by subscribing to our channel. 👍👍

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Where I can get the video to understand pattern of inheritance i.e autosomal dominant etc

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[@InfinityLearn_NEET]

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[@VICTOR-fj4vq]

But what If P and Q arm are equal in length? I mean how would we differentiate them?

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[@AlWalid7809]

Are these 23 chromosomes are in one DNA strand so that they are link together in one tape, or there are separate 23 strands of DNA ?

[@mohammed.b8713]

What does each chromosome determine in the body or how does each differ in function? Do they just make proteins?

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[@sunilkarve4110]

Metacentric is V submetacentric is L Acroncentríc is j Telocentric is i Thank you❤