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Q. Loss or gain of a segment of DNA results in

NTA AbhyasNTA Abhyas 2020Principles of Inheritance and Variation

Solution:

Chromosomal aberration or chromosomal abnormalities occurs when there is a defect in the number of chromosomes in a cell of an organism or in the arrangement of genetic material (genes) on the chromosome, the top four types of chromosomal aberrations. The types are 1. Deficiency or deletion 2. Duplication 3. Translocation 4. Inversion.