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Thread: Chromosome vs Chromatid vs Chromatin

  1. #1


    Mint's Avatar
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    Chromosome vs Chromatid vs Chromatin



    What is the difference between a chromosome, a chromatid, and a chromatin?
    I've been searching all over on Google but I think it's got me confused even more

    Here's what I have written down:
    CHROMATIN
    > DNA strand as a whole

    CHROMATID
    > half the DNA strand
    > two chromatid = one chromatin

    CHROMOSOME
    ??????
    lol

    In my textbook it says a chromosome makes up a portion of the cell's DNA but isnt that what a chromatid is??

    Help please. Will +rep Please tag me, I must know this
    Last edited by Mint; 10-20-2013 at 03:38 PM.

  2. #2



    Cath's Avatar
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    Ok... How to write this in English.

    A Chromosome is made of DNA. (As the same form as an X)

    Chromatin is a bunch of filaments that contains DNA. When they condensed, they become a chromosome.

    Chromatid is a molecule of DNA and represents 1 part of a chromosme (Half of the X) So there's 2 chromatids in 1 chromosome.
    Last edited by Cath; 10-20-2013 at 03:45 PM.

  3. The Following User Says Thank You to Cath For This Useful Post:

    Mint (10-20-2013)

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    Poem's Avatar
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    lol learned this last year

    my understanding from my teacher is referring to the same material in different forms.

    chromatin = uncoiled messy blob of genetic material in nucleus.
    chromatid = when the above is coiled
    chromosome = a pair of chromatids


    @katzes beat me to it!

    (ADN in English is DNA, btw)

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    Mint (10-20-2013)

  6. #4



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    Quote Originally Posted by Poem View Post
    lol learned this last year

    my understanding from my teacher is referring to the same material in different forms.

    chromatin = uncoiled messy blob of genetic material in nucleus.
    chromatid = when the above is coiled
    chromosome = a pair of chromatids


    @katzes beat me to it!

    (ADN in English is DNA, btw)
    omg I know, I guess I'm just too used to write ADN, sorry.

  7. #5


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    Thanks @katzes and @Poem (you in grade 11? o

    Rep has been given, you guys are smarty pants x

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