Multiple Choice
Which type of point mutation results in a premature termination of the polypeptide chain?
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15. Gene Expression
Mutations
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Which of the following is not a type of chromosome mutation?
A
Inversion
B
Point mutation
C
Deletion
D
Duplication
Verified step by step guidance1
Understand the concept of chromosome mutations: Chromosome mutations involve changes in the structure or number of chromosomes and can affect large segments of DNA.
Identify the types of chromosome mutations: Common types include inversion, deletion, duplication, and translocation. These involve structural changes to the chromosome.
Recognize what a point mutation is: A point mutation is a change in a single nucleotide base pair in the DNA sequence, which is not a structural change to the chromosome itself.
Compare point mutation with chromosome mutations: Point mutations affect the DNA sequence at a molecular level, whereas chromosome mutations affect the physical structure of chromosomes.
Determine which option is not a chromosome mutation: Since point mutation affects individual nucleotides rather than the chromosome structure, it is not considered a type of chromosome mutation.
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