A duplicated chromosome that remain attached is called
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Hi! The answer should be chromatids, and they remain joined at a central point called the centromere. Goodluck :)

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey