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Genetics

Study Pack

Set 11 Gene Mutation Dna Repair And Homologous Recombination

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Question 1

(Multiple Choice)

Free
Which type of mutation converts a nucleotide to an alternative structure with the same composition but a slightly different placement of rare, less stable hydrogen bonds that cause base- pair mismatch?

A) deamination
B) transversion
C) depurination
D) transition
E) tautomeric shift

Answer

Question 2

(Multiple Choice)

Free
A mutant DNA polymerase that increases the frequency of strand slippage would increase the frequency of which type of mutation?

A) splice site
B) transposition
C) transition
D) missense
E) triplet- repeat expansion

Answer

Question 3

(Multiple Choice)

Free
Given the sequence of triplet codons: 5'- TAC AAA ATA CAG CGG- 3', which of these sequences represents a missense mutation?

A) 5'- TAC AAG ATA CAG CGG- 3'
B) 5'- TAC AAA ATA CAC CGG- 3'
C) 5'- TAC AAA ATA CAG AGG- 3'
D) 5'- TAC AAA TAC AGC GGG- 3'
E) 5'- TAG AAA ATA CAG CGG- 3'

Answer