The mechanism for chromosomal aneuploidy could be? NEET Biology MCQ
Last updated: July 30, 2026
Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026
The mechanism for chromosomal aneuploidy could be
Achromosome breakage and subsequent abnormal rearrangement
Bchromosome translocation
Cchromosome inversion
Dchromosome non-separation or loss
Correct answer: D. chromosome non-separation or loss
Chromosome non-separation or loss can lead to aneuploidy, which is a condition where there are abnormal numbers of chromosomes in cells. This can occur during cell division if the chromosomes fail to separate properly.
Free PDF sample
Get NEET Biology MCQs as a chapter-wise PDF.
Join early access for a free MCQ sample with answers and NCERT-aligned explanations.