If a chromosome fragment breaks off and then reattaches to the original chromosome,but in the reverse direction,the resulting chromosomal abnormality is called a(n)

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An inversion is a chromosomal abnormality that occurs when a segment of a chromosome breaks off and reattaches to the same chromosome in the reverse orientation, resulting in a reversal of the gene order.

If a Chromosome Fragment Breaks Off and Then Reattaches to the Original