Q189 / 200 · NEET 2024 (Re-NEET) · Zoology

Aneuploidy is a chromosomal disorder where chromosome number is not the exact copy of its haploid set of chromosomes, due to : A. Substitution B. Addition C. Deletion D. Translocation E. Inversion Choose the most appropriate answer from the options given below :

  • A
    C and D only
  • B
    D and E only
  • C
    A and B only
  • Correct answer
    D
    B and C only

Solution

Failure of segregation of chromatids during cell division-cycle results in the gain or loss of chromosome called aneuploidy. Aneuploidy occurs due to addition or deletion. Hence only (B) and (C) are correct

Hence, the correct answer is option: 'D'.

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