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The extra chromosome segment may be located immediately after the normal segment in precisely the same orientation forms the tandem

When the gene sequence in the extra segment of a tandem in the reverse order i.e, inverted , it is known asreverse tandem duplication

In some cases, the extra segment may be located in the same chromosome but away from the normal segment - termed as displaced duplication

The additional chromosome segment is located in a non-homologous chromosome is translocation duplication.

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13y ago

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