What type of mutation causes the "mutant" variety of the PTC gene? a A point mutation which lead to a nonsense mutation b A addition mutation which lead to a frameshift c A substitution mutation which lead to a missense mutation d A deletion mutation which lead to a SNP mutation

What type of mutation causes the "mutant" variety of the PTC gene? a A point mutation which lead to a nonsense mutation b A addition mutation which lead to a frameshift c A substitution mutation which lead to a missense mutation d A deletion mutation which lead to a SNP mutation

Name: What type of mutation causes the "mutant" variety of the PTC gene? aA
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Description: What type of mutation causes the "mutant" variety of the PTC gene? aA point mutation which lead to a nonsense mutation bA addition mutation which lead to a frameshift cA substitution mutation which lead to a missense mutation dA deletion mutation whi

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter11: Genome Alterations: Mutation And Epigenetics

Section: Chapter Questions

Problem 9QP: Define and compare the following types of nucleotide substitutions. Which is likely to cause the...

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Sickle-cell hemoglobin differs from regular hemoglobin in just one amino acid. Normal hemoglobin is created from the codon GAA, which codes for glutamic acid while sickle-cell hemoglobin has the codon GUA, which codes for valine. This is an example of what type of mutation? * O Insertion O Silent mutation O Deletion O Substitution mutation
What type of mutation is shown below: CGG GGG GAG TCT TTT TAT GCA GCT changes to: CGG GGG GAG CTT TTTATG CAG CT A frame shift mutatuion which resulted from a deletion. O Point mutation in which one nucleotide was changed. O Point mutation in which a length of nucleotides were changed. O A frame shift mutatuion which resulted from an insertion.
Define and compare the following types of nucleotide substitutions. Which is likely to cause the most dramatic mutant effect? a. missense mutation b. nonsense mutation c. sense mutation
Match each example of mutation to the correct effect on function. Hypomorphic mutation Hypermorphic mutation Antimorphic mutation Neomorphic A deletion results in the loss of part of a protein and the protein retains some of its normal activity. A mutant allele makes a protein with increased cataytic activity. A mutant form of a transcription factor binds new DNA sequences to activate different genes. A mutant from of a receptor protein interferes with the function of the wild-type receptor through heterodimerization.
Name three different types of loss of function mutations and in each case explain how the mutation exerts a loss of function effect on a gene
A wildtype gene produces the polypeptide sequence: Wildtype: Met-Ser-Pro-Arg-Leu-Glu-Gly Each of the following polypeptide sequences is the result of a single mutation. Identify the most likely type of mutation causing each, be as specific as possible. M1:Met-Ser-Ser-Arg-Leu-Glu-Gly missense mutation M2:Met-Ser-Pro M3:Met-Ser-Pro-Asp-Trp-Arg-Asp-Lys M4:Met-Ser-Pro-Glu-Gly nonsense mutation frameshift insertion in frame deletion M5:Met-Ser-Pro-Arg-Leu-Glu-Gly in frame insertion
What phenotypes do you think a homozygous tra1hsn animal with a loss of function Egl-1 mutation would have.
Sickle cell hemoglobin DNA CACGTAGACTGAGG ACAC.. Sickle cell hemoglobin MRNA Sickle cell hemoglobin AA sequence 4. What type of mutation is this? Please explain why.
2. A reversion is a mutation that returns a mutant codon back to a codon that gives a wild-type phenotype. At the DNA level, this type of mutation can be an exact reversion or an equivalent reversion. GAG First GTG Exact GAG (glutamic acid) mutation (valine) reversion (glutamic acid) GAG - GTG First Equivalent (valine) reversion GAA (glutamic acid) mutation (glutamic acid) GAG First GTG Equivalent - GAT (glutamic acid) mutation (valine) reversion (aspartic acid) An equivalent reversion produces a protein that is equivalent to the wild type in structure and function. This can occur in two ways. In some cases, the reversion produces the wild-type amino acid (in this case, glutamic acid), but it uses a different codon than the wild-type gene. Alternatively. an equivalent reversion may substitute an amino acid structurally similar to the wild-type amino acid. In our example, an equivalent reversion has changed valine to an aspartic acid. Because aspartic and glutamic acids are structurally…
A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly The amino acid sequence of this polypeptide was determined in a series of mutants listed in parts a through e. indicate the type of mutation that occurred in the DNA (single-base substitution, insertion, deletion) and the phenotypic effect of the mutation (nonsense mutation, missense mutation, frameshift, etc.). a. MMutant 4: Met-Ser-Pro-Glu-Gl
A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly The amino acid sequence of this polypeptide was determined in a series of mutants listed in parts a through e. indicate the type of mutation that occurred in the DNA (single-base substitution, insertion, deletion) and the phenotypic effect of the mutation (nonsense mutation, missense mutation, frameshift, etc.). a. Mutant 5: Met-Ser-Pro-Arg-Leu-Leu-Glu-Gly
A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly The amino acid sequence of this polypeptide was determined in a series of mutants listed in parts a through e. indicate the type of mutation that occurred in the DNA (single-base substitution, insertion, deletion) and the phenotypic effect of the mutation (nonsense mutation, missense mutation, frameshift, etc.). a. Mutant 2: Met-Ser-Pro

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a	A point mutation which lead to a nonsense mutation
b	A addition mutation which lead to a frameshift
c	A substitution mutation which lead to a missense mutation
d	A deletion mutation which lead to a SNP mutation