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The DNA sequence of a fragment in the middle of a gene is listed below. Show...

  1. The DNA sequence of a fragment in the middle of a gene is listed below. Show all the possible amino acid sequences that can be coded from this fragment. Hint: Both strands can be used as the template.

5'-ATCGTTCTTAC-3'

3'-TAGCAAGAATG-5'

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Answer #1

ATC - Ile, GTT - val, CUU - leu

Ile- val- leu

CAA - gln, GAA - glu

gln- glu

Leaving first nucleotide in both strands depending on open reading frame.

UCG -ser , UUC - phe, UUA - leu

Ser- phe- leu

AGC - ser, AAG lys , AAU- Asn

Ser- lys- Asn

Leaving first two nucleotides

CGU - Arg, UCU - ser, UAC- tyr

Arg- ser- tyr

GCA -Ala, AGA- Arg, AUG - Met

Ala- Arg- Met

There are 6 sequences coded from the fragments.

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