Multiple choice

If chromosome segments break away during nuclear division and rejoin a different part of another chromosome, this is called

  1. inversion

  2. translocation

  3. deletion

  4. duplication
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B Correct answer
Explanation

Translocation is a chromosomal abnormality where a segment from one chromosome breaks off and attaches to a non-homologous chromosome. This differs from inversion, where a segment is reversed within the same chromosome, or deletion, where a segment is lost.

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