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The chromosomal alteration that has the most drastic consequence is deletion. It is defined as the loss or absence of a section from a nucleic acid molecule or chromosome and usually result in some type of syndrome.

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9y ago
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11y ago

A lethal mutation would have the most serious effect as it would cause death; however as to which specific mutation, this cannot be known until it's observed for that particular case and in that particular organism.

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9y ago

duplication

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Q: Which Chromosomal alterations has the most drastic alterations?
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