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1.a mutation that causes changes in the amino acid sequence downstream of the mutation is called a)a point mutation.
b)a translocation mutation.
c)a substitution mutation.
d)a frameshift mutation.
2.what will be the outcome of deletion of the third base, a, from the dna sequence below? assume that the first base corresponds to the start of a codon.
-c-c-a-a-a-t-a-a-a-g-
(open attachment)
a)the first amino acid in this sequence does not change.
b)a frameshift mutation occurs.
c)gly-leu-phe is changed to gly-tyr-phe.
d)all of the above are correct.
3.what type of mutation is albinism? a)advantageous
b)lethal
c)neutral
d)deleterious
4.an original dna sequence and a mutated form of this sequence are shown below. what type of mutation occurred?
original: -g-c-t-t-a-g-t-c-c-a-g-t-a-
mutation: - g-t-a-g-c-t-t-a-g-t-c-c-a-
a)translocation
b)insertion
c)deletion
d)inversion
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