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Health Sciences 13 Online
OpenStudy (anonymous):

Chromosomes usually appear in pairs. If there are three chromosomes where there should be two, what kind of mutation is this?

OpenStudy (gnorris):

its a chromosomal mutation

OpenStudy (gnorris):

But, actually this is not a kind of mutation. It is because of nondisjunction. It is called trisomy (2n+1)

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