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Chromosome chromatin and chromatid

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Chromosome chromatin and chromatid

Chromosome, Chromatin, Chromatid - What is the Difference - This lecture explains about the difference between Chromosome, Chromatin, Chromatid. A chromosome consist of a DNA double helix bearing a linear sequence of genes.
The DNA is coiled and recoiled around proteins called histones. The resulting complex is called chromatin.
During the cell division, more precisely during the S-phase of interphase, DNA is replicated. The resulting two identical copies of DNA are connected to each other at the centromere. Each copy is called a chromatid.
A chromosome, before cell division is formed by one chromatid while it is formed pf two chromatids after cell division.
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Chromosomes, Chromatids, Chromatin, etc.

The vocabulary of DNA: chromosomes, chromatids, chromatin, transcription, translation, and replication
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Chromosomes, chromatin, chromatid and sister chromatid

Chromosomes
Chromatin
Chromatid
Sister-Chromatid
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Chromosome, Chromatin and Chromatids – What is the Difference?

Chromosome, chromatin and chromatids - these terms sound very similar and that is why it can be confusing sometimes. So let’s start from chromatin and then will move to chromosome and then to chromatid. Why this particular order? You will know once you read it. It becomes very easy to understand in this order.

DNA is our genetic material and it is too long (about 2m) to be fit inside the small nucleus (5μm - 10μm in diameter). So in order to fit inside the nucleus, DNA has a packaging strategy. And this strategy involves wrapping of DNA around the histone proteins. So our double stranded DNA would wrap around histone proteins. This assembly where we have DNA and histone (DNA + Histone) looks like thread is called CHROMATIN. And this DNA in chromatin phase is not condensed yet.
Chromatin = DNA Wrap around Histone Proteins OR DNA + Histone Proteins

Now when cell undergoes cell division, the DNA will start getting condensed (remember in chromatin phase as we just saw DNA is not condensed). So this condensed form of DNA is called CHROMOSOME.
Chromosome = Condensed form of DNA 

When the cell is dividing, each chromosome needs to replicate and make its identical copy. To achieve this each chromosome duplicates itself and they will be attached at the point of centromere. This assembly where we are observing DUPLICATED chromosome initially attached at the point of centromere, each strand in that or copy in that is called CHROMATID. We sometimes refer to it as sister chromatids when we talk about recombination right!! So the chromatid is nothing but duplicated chromosome which has not yet separated. Now when cell will divide each of the new cell will get one copy of chromatid and this chromatid will act as chromosome itself in that new cell. (The same chromatid would decondenses into a chromatin strand)
Chromatids = Duplicated Chromosome Attached at the Point of Centromere

00:14 introduction,
00:31 chromatin,
01:39 chromosome,
02:47 chromatids

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BIOLOGY Lecture 3 | Chromatin, Chromosome and Chromatid | Genetics Biology

This lecture explains the difference between chromatin, chromosome and chromatid.

Content in this video-
Introduction to Genetics-
Chromatin
Chromosome
Chromatid
Difference between chromatin and chromosome.
DNA
Cell cycle.
Stay connected for upcoming videos.

Chromosomes Vs Chromatids

Chromosomes Vs Chromatids

Differences on chromatid and chromosome

How chromosome duplicate themselves into tetrad forms known as sister chromatids.

chromatin, chromosome & chromatid

Chromatin : complex of DNA with histone proteins
chromosome: Condensed chromatin in M phase
Chromatid: A single copy of a chromosome pair

Chromatin, Chromosomes, and Chromatids... Oh My!

A brief overview of using the terminology chromatin vs. chromosome vs. chromatid with a focus on chromosome versus chromatid before and after DNA replication.

Chromosome, chromatin, chromatid and cell division

This genetics lecture explains about Chromosome, chromatin, chromatid and cell division. It explains about the chromosome structure and the role of chromatid and chromatin in cell division during chromosome segregation.
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Get Shomu's Biology DVD set here-

Download the study materials here-

Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology-
Buy Shomu’s Biology lecture DVD set-
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What is a Chromosome?

Ever get confused about the difference between DNA, genes, and Chromosomes? If so, don't worry. We straighten it all out here!

Sister chromatids and Homologous Chromosomes

Sister chromatids and Homologous Chromosomes
During interphase of the cell cycle, the DNA is replicated. As a result, two sister chromatids are created. The sister chromatids are identical strands of DNA. During mitosis, the sister chromatids are separated and during meiosis homologous chromosomes pair up.
Additional facts about Sister Chromatids and Homologous Chromosomes

Sister chromatids are the same size
Have the same genes
Genes are at the same location or loci on the chromosome
Have the same alleles and are held together by a centromere

Homologous chromosomes
Same size
Carry same genes in same loci but can have different alleles because one half is from the female and one half from the same the male ( maternal and paternal).
Homologous Chromosomes are not held together by a centromere

Chromosome Numbers During Division: Demystified!

Confused with how chromosome numbers change in mitosis and meiosis? The Amoeba Sisters walk you through the mystery of chromosome and chromatid counting in mitosis and meiosis. Video has handout: ????Expand details for table of contents.

Tale of Contents:
Number of Chromosomes in Humans 0:53
Basics of a Chromosome 1:03
Chromosome vs. Chromatid 1:31
Counting Chromosomes in Interphase 2:13
Mitosis Chromosome Chart 3:08
Meiosis Chromosome Chart 4:02

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Untangling chromosomes, chromatin and chromatids

Chromosome | Chromatin | Chromatid| Basics before cell division

This video talks about the basics which you should know before understanding cell division
#Chromosome #Chromatin #chromatid

Mitosis :
meiosis prophase I :
Meiosis Part 2:
Question answer (NEET 2016-2019):
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chromosome #chromatids #chromatin

Many students are confused about DNA and Chromosome. Where it came from? Both are same or different ? Where is it placed in a cell? And so on. Here is a video. Hope it helps you out. Enjoy learning.

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CHROMATIN vs CHROMATID vs CHROMOSOME | Easy Differences | The packaging Of Chromosomes |

In this video we will discuss about the basic topic, Differences between Chromosome, Chromatid and Chromatin and The Packaging of Chromosome.

#chromatin #chromatid #chromosome #chromatinchromatidchromosome #swarnimbiologyclasses

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What is the difference between Chromatin, chromosomes and chromatids

Chromatin and chromosomes are basically the same thing , the only difference lies in their structure as Chromatin is a thread like structure whereas chromosomes are highly condensed. After replication chromosome copies itself and basically undergoes duplication which is called chromatid.
#chromatid #chromosomes #chromatin

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Chromatin, chromosome, chromatid, chromonema, chromonemata,chromomere

Chromatin, chromosome, chromatid, chromonema, chromonemata and chromomere- these are sound very similar but are actually different things. These terms are very confusing for beginners in the field of biology or sometimes even for the experienced ones. This lecture explains in detail what these things are and what are the key differences between them.

How are chromatin, chromatid and chromosomes related to each other?

How are chromatin, chromatid and chromosomes related to each other?

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