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DNA Sequencing, Mutation and Repair

DNA Sequencing, Mutation and Repair
The mutation which will not affect the length of a protein is,

all of these
frameshift mutation
missense mutation
nonsense mutation

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DNA Sequencing, Mutation and Repair
Which of the following bacterial genome was sequenced first?

S. thermophilus
E. coli
H. influenzae
S. pneumoniae

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DNA Sequencing, Mutation and Repair
A nonsense mutation introduced into the DNA sequence of a gene may

cause premature termination of the mRNA
cause a shift in reading frame
shorten the length of the protein encoded by the gene
have no effect on the transcript or protein made

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DNA Sequencing, Mutation and Repair
What was the first eukaryotic chromosome to be sequenced?

Yeast chromosome XI
Yeast chromosome III
Arabidopsis chromosome IV
None of these

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DNA Sequencing, Mutation and Repair
Which of the following mutations arise without exposure to external agents?

Analogous mutations
Induced mutations
None of these
Spontaneous mutations

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DNA Sequencing, Mutation and Repair
Genetic variations are

not heritable
stable
influenced by the environment
temporary

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