DNA Structure and Replication

ID #2215

So today in lecture, Professor Mehrtens said that a mitotic chromosome is made up of two separate double stranded DNA molecules. Since each of the double-stranded DNA molecules is made up of chromatin organization up to 700 nm fibers, would it then be accurate to say that a sister chromatid is composed of two 700-nm chromatin fibers? I feel like the way I'm wording this doesn't make sense, so if it doesn't let me know and I can rephrase!


A mitotic chromosome is made up of two sister chromatids, each of which is organized into a structure that is ~700nm thick, meaning that the entire chromosome is about twice that length in diameter. 

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