An atom that has gained or lost electrons is called an ion
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After DNA replication, each chromosome now consists of two physically attached sister chromatids. After chromosome condensation, the chromosomes condense to form compact structures (still made up of two chromatids). ... The two copies of a chromosome are called sister chromatids
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Um when I copy paste the website it says file not found
I really wish I could help you! so if you can maybe at a link or file or picture so I know what to look for.Thank you I think I might be able to help so if you can add a pic
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