At which stage non disjunction occurs...?

1.	At which stage non disjunction occurs...?
Answer» During meiosis , if NONDISJUNCTION occurs , it takes place during the anaphase when the CHROMOSOME are separated on the spindle fiber and directed to opposite poles. Down's syndrome is a condition also KNOWN as trisomy 21, which means there are three COPIES of 21st chromosome unlike the normal two copies .

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At which stage non disjunction occurs...?

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