Base substitution dna
[DOC File]DNA MUTATIONS
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Base Substitution Mutations. Circle the mutation. THE BOY CUT HIS LIP AND ATE THE HOT DOG THE BOY CUT HIS LIP AND AFE THE HOT DOG. In base substitutions you substitute one letter (base) with another. Practice with DNA -Compare the original DNA to the mutated DNA and find any mutations. 1. Compare the two strands of DNA and identify the mutation ...
[DOCX File]Bio102 Problems
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It is most likely a point mutation, specifically substitution because that is the most likely option if the amino acid sequence is not influenced. You have a DNA sequence that codes for a protein and is 105 nucleotides long. A frame-shift mutation occurs at the 85th base - …
Mutations Worksheet
Substitution A substitution is a mutation that . exchanges one base for another (i.e., a change in a single “chemical letter” such as switching an A to a G). Insertion Insertions are mutations in which . extra base pairs are inserted. into a new place in the DNA. Deletion Deletions are mutations in which a . section of DNA is lost, or ...
[DOC File]Ms.Holli-Arcus' Class - Home
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c. A neutral base substitution. d. A stop codon. e. A substitution of a hydrophilic amino acid for a hydrophobic one. A mutation that results in a change in the codon reading pattern could result from: a. a base insertion only. b. a base deletion only. c. a base substitution only. d. deletion of three consecutive bases. e. either an insertion ...
[DOC File]Gene Mutations - Weebly
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These accidental changes in the DNA base sequence are called . mutations. Mutations can also be caused by environmental factors. There are three types of mutations: insertion - adding an extra base. deletion - deleting a base. substitution - putting in the wrong base. Pretend the letters in the following sentence are the bases in a strand of DNA.
DNA Mutation and Repair
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. Complete the boxes below.
[DOC File]GENETICS PRACTICE
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Show one base substitution in the DNA sequence above that would be a missense mutation and show the new protein sequence below. 22G. What is the sequence of the anticodon on the last tRNA that is needed to translate this protein? 23. Alternative splicing allows for .
[DOC File]”What’s the Point
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SUBSTITUTION (one base is substituted for another) If a substitution . changes . the amino acid, it’s called a . MISSENSE. mutation. If a substitution . ... _____#3 was a substitution that changed the DNA, mRNA, codon, amino acid and the protein. #4 was an insertion that changed all things also. #5 was a deletion and it changed all things also.
Chapter 10 (Sample questions)
27C. Show a one-base substitution in the DNA sequence above that would lead to a missense mutation and show the new protein sequence below. Draw a box around your mutation on the DNA. The C (G mutation boxed above leads to a new protein whose sequence is. N- Met-His-Thr-Val-Arg-C. 27D.
[DOC File]Bio102 Problems
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Sickle cell anemia is a serious disease caused by a single base substitution mutation. Explain how a single base substitution mutation can have significant consequences for an individual. (6 marks) (a) Define the term degenerate as it relates to the genetic code. …
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