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DNA Sequencing, Mutation and Repair

DNA Sequencing, Mutation and Repair
When mutations involve vital functions so that the mutants are nonviable, it is a

transversion
lethal mutation
nonsense mutation
none of these

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DNA Sequencing, Mutation and Repair
Which of these mechanisms for thymine dimers repair lead to mutations?

Never leads to mutation
Photoreactivation
Excision repair
SOS repair

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

Regional mutation
Aerial mutation
Point mutation
Site mutation

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

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

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

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

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DNA Sequencing, Mutation and Repair
Frame shift mutation may occur as a result of

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

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