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Mutation Open Response

Last updated about 2 years ago

7 Nsɛmmisa

1

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1.

A short mRNA sequence is show below. Determine the DNA sequence from which this mRNA sequence was transcribed.

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2.

Determine the amino acid sequence that is coded for the by mRNA sequence

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3.

A mutation in the mRNA sequence changes the 6th base (read left to right) to cytosine (C). Determine the new mRNA sequence with the mutation.

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4.

Determine the first four amino acids for number 3 (the mRNA sequence with the subsitution mutation)

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5.

A mutation in the mRNA sequence DELETES the 6th base. Determine what the new mRNA sequence is.

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6.

Determine the first four amino acids for the mutated mRNA strand in number 5.

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7.

The original mRNA sequence codes for the amino acid chain: Met-Ser-Asp-Trp. Looking back at the mutations, the subsitution (Met-Ser-Asp-Trp) and the deletion (Met-Ser-Ile-Gly), which mutation would lead to a change in the organism's physical appearance. Explain.