what are sister chromatids and non sister chromatids?

Dear Student,

Here is the answer to your question,

Sister Chromatid
Non-Sister Chromatid
·  Sister chromatids are identical to each other
·  Nonsister chromatids are not identical to each other as they represent different but homologous chromosomes.
·  During S phase of the cell cycle the DNA is replicated and an identical copy of the chromatid is made. These two chromatids are then called sister chromatids.
·  The non-sister chromatid will carry the same type of genetic information, but not exactly the same information.
Hope this helps,

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