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Question

Which of the following is not a type of chromosome mutation?

A
Duplication
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B
Inversion
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C
Deletion
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D
Frame shift
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Solution

The correct option is D Frame shift
Chromosome mutation is a change in the structure of the chromosome, leading to abnormalities.
Frameshift mutation is not a chromosomal mutation instead it is a genetic mutation in which the reading frame of DNA shifts due to addition or removal of gene. Hence the frame for reading codon shifts by a unit and codes for different protein.
Hence, option D is correct.

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