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14 Terms

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Deviations from the typical chromosomal structure are called

chromosomal aberrations

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Aberrations may be caused by problems during

meiotic recombination or during DNA break repair

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Breakage and rearrangement may occur

spontaneously within an individual, or the altered chromosome may be inherited from a parent

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Inversion

Broken chromosome part joins it again but is turned around 180 degrees

<p>Broken chromosome part joins it again but is turned around 180 degrees</p>
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Translocation

Non homologous chromosomes exchange segments

<p>Non homologous chromosomes exchange segments</p>
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Deletetion

The chromosome fragment breaks down

<p>The chromosome fragment breaks down</p>
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Duplication

Chromosome segments double

<p>Chromosome segments double</p>
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