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DNA Sequencing, Mutation and Repair

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

All of these
Excision
Incision
Ligation

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

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

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

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

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

Excision repair
Photoreactivation
Never leads to mutation
SOS repair

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DNA Sequencing, Mutation and Repair
Genetic variations are

not heritable
influenced by the environment
stable
temporary

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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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