The alteration in the DNA template strand can best be explained as ___Group of answer choices: a reading frame shift, a nonsense mutation, a silent mutation, a missense mutation, no mutation.
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Step 1: DNA template strand is altered through spontaneous or induced alterations, leading to a mutation. Show more…
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1. If an extra nucleotide is added to a DNA sequence causing multiple codons to be read incorrectly it is known as: Group of answer choices a missense mutation a silent mutation a nonsense mutation a frameshift mutation
Marlyn J.
The substitution of a single base within a gene's DNA sequence may result in any one of the following except: A) a frameshift mutation. B) a missense mutation. C) a nonsense mutation. D) a silent mutation. E) a point mutation.
Adi S.
A mutation is a permanent change in the original DNA sequence. There are several types of mutations: DELETION (a base is lost/deleted) INSERTION (an extra base is added/inserted) --- Deletion & insertion may cause what's called a FRAMESHIFT mutation, meaning the reading "frame" changes, thus changing the amino acid sequence from this point forward SUBSTITUTION (one base is substituted for another) --- If a substitution changes the amino acid, it's called a MISSENSE mutation --- If a substitution does not change the amino acid, it's called a SILENT mutation --- If a substitution changes the amino acid to a "stop," it's called a NONSENSE mutation Original DNA sequence: TACACCTTGGCGACGACT... mRNA sequence: AUGUGGAACCGCUGCUGA... Amino Acid (AA) sequence: meth-tryp-asp-arg-cys Mutated DNA Sequence #1 TACACCTTGGCGACTACT
Shaiju T.
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