Numerical chromosomal aberrations mainly arise due to:
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Correct answer: Nondisjunction
Nondisjunction is the failure of chromosomes to separate properly during cell division. It results in abnormal chromosome numbers.
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More Chromosomal Aberrations and Consequences questions
- Aneuploidy refers to:
- Which condition is an example of aneuploidy in humans?
- Polyploidy is characterized by:
- Which chromosomal aberration is often lethal when occurring in autosomes?
- Balanced translocation usually does not show phenotypic effects because:
- Which stage of cell division is most critical for preventing numerical chromosomal aberrations?