Cenata GmbH | Paul-Ehrlich-Str. 23 | D-72076 Tübingen | Tel. 07071 – 565 44 430 | Fax 07071 – 565 44 444

Cenata GmbH | Paul-Ehrlich-Str. 23 | D-72076 Tübingen | Tel. 07071 – 565 44 430 | Fax 07071 – 565 44 444

Numerical chromosomal change

Only a small percentage of chromosomal changes occur regularly. A distinction is made between numerical and structural chromosomal changes. With numerical chromosomal changes, a chromosome can be absent (monosomy), there can be an extra copy of a chromosome (trisomy) or multiple extra chromosomes (polyploidies).

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