Types of Mutations Video Lessons

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Problem: The following nucleotide sequence is found in a short stretch of DNA. 5'-GA-3'3'-CT-5' What mutant sequence can result from spontaneous depurination in this stretch of DNA?A. 5-GC-3'    3-CG-5'B. 5'-GT-3    3-CA-5C. 5'-CA-3'    3'-GT-5'D. 5'-GG-3'     3'CC-5'E. 5'-AA-3'    3'-TT-5'What mutant sequence can result from spontaneous deamination in this stretch of DNA? A. 5'-TA-3'     3'-AT-5'B. 5'-CA-3'    3'-GT-5'C. 5'-AA-3'    3'-TT-5'D. 5'-GT-3'     3'-CA-5'E. 5'-GC-3'    3'-СТ-5'

FREE Expert Solution

Depurination: removal of purine residues (adenine or guanine)

: repair usually involves replacing missing purines with adenine

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Problem Details

The following nucleotide sequence is found in a short stretch of DNA. 

5'-GA-3'
3'-CT-5' 

What mutant sequence can result from spontaneous depurination in this stretch of DNA?

A. 5-GC-3'
    3-CG-5'

B. 5'-GT-3
    3-CA-5

C. 5'-CA-3'
    3'-GT-5'

D. 5'-GG-3'
     3'CC-5'

E. 5'-AA-3'
    3'-TT-5'

What mutant sequence can result from spontaneous deamination in this stretch of DNA? 

A. 5'-TA-3'
     3'-AT-5'

B. 5'-CA-3'
    3'-GT-5'

C. 5'-AA-3'
    3'-TT-5'

D. 5'-GT-3'
     3'-CA-5'

E. 5'-GC-3'
    3'-СТ-5'

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