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DNA Sequencing, Mutation and Repair

DNA Sequencing, Mutation and Repair
Genetic variations are

influenced by the environment
not heritable
temporary
stable

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DNA Sequencing, Mutation and Repair
Which of the following(s) is/are steps in excision repair mechanisms?

Incision
Ligation
Excision
All of these

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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
Frame shift mutation may occur as a result of

deamination of cytosine to uracil
None of these
formation of a thymine-dimer
conversion of guanine to xanthine

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DNA Sequencing, Mutation and Repair
Which of the following mutation affects only a single nucleotide?

Point mutation
Aerial mutation
Site mutation
Regional mutation

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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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