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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,

frameshift mutation
all of these
missense mutation
nonsense mutation

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

Induced mutations
Analogous mutations
None of these
Spontaneous mutations

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

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

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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
Genetic variations are

influenced by the environment
not heritable
temporary
stable

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DNA Sequencing, Mutation and Repair
Thymine dimers are directly repaired with the help of visible light by process known as

photosynthesis
photoreactivation
phosphorylation
excision repair

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