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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

nonsense mutation
none of these
lethal mutation
transversion

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DNA Sequencing, Mutation and Repair
Changes in which of the following characterizes mutations?

Genotype
Both (a) and (b)
None of these
Phenotype

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

missense mutation
nonsense mutation
frameshift mutation
all of these

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DNA Sequencing, Mutation and Repair
Genetic variations are

temporary
not heritable
stable
influenced by the environment

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

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

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

Induced mutations
Spontaneous mutations
None of these
Analogous mutations

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