5. A gene has a base sequence of GTC. Due to a mutation, the base sequence changes to GTG. Answer the following questions using the codon table below. a) What are the bases of mRNA coded for by this section of DNA, before the mutation? Hint: In RNA, A pairs with U. (1 point)

b) What are the bases of mRNA coded for by this section of DNA, after the mutation? Hint: In RNA, A pairs with U. (1 point)

c) What amino acid is coded for by this sequence before the mutation? Hint: Use the codon table. (1 point)

d) What amino acid is coded for by this sequence after the mutation? (1 point)

e) Is this is a silent mutation or a missense mutation? Explain. Hint: Silent mutations have no effect on the amino acid. (1 point)

f) What is the difference between a missense mutation and a silent mutation? (1 point)

g) If the strand of DNA with the sequence GTA mutated to GTG, would this be a silent or missense mutation? Hint: Find the RNA for both sequences and check to see that they code for different amino acids. (1 point)

h) If the strand of DNA with the sequence TTA mutated to TTG, would this be a silent or missense mutation? Hint: Find the RNA for both sequences and check to see that they code for different amino acids. (1 point)

i) If the strand of DNA with the sequence TGA mutated to GGA, would this be a silent or missense mutation? Hint: Find the RNA for both sequences and check to see that they code for different amino acids. (1 point)

6. A gene has a base sequence that begins with TAA CTA TGA CGT CG. Answer the following questions using the codon table from question #5.

a) What RNA sequence would be produced during transcription? Hint: In RNA, A pairs with U. (1 point)

b) What are the first four amino acids coded by this sequence? Hint: Look up the amino acids on the codon table. (1 point)

c) The gene has a frameshift mutation, where the fifth base in the sequence is deleted. Write the new DNA base sequence. Hint: Rewrite the sequence without the fifth base. (1 point)

d) What is the new RNA sequence? Hint: In RNA, A pairs with U. (1 point)

e) What are the first three amino acids coded by this new mutated sequence? Hint: Use the codon table. (1 point)

f) How does the correct amino acid sequence compare to the mutated sequence? (1 point)