Mutations Worksheet Name: _____ANSWER KEY____ Date: ____10-8-08____Block:__2nd/3rd___ There are three main types of mutations: point missense mutation...
Worksheet 13.3: Mutations ... Point Mutations Substitution insertion deletion substitution. Complete the following sentences by using the terms in the box found in
Worksheet 13.3: Mutations ... Point Mutations Substitution insertion deletion substitution. Complete the following sentences by using the terms in the box found in
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Download organizations decided to define, in their respective spheres, the principles which should govern the organization of vocational training and of technical and vocational education. With this in mind, draft international instruments concer
Download Vocational education refers to skill based programmes which are designed for skill acquisition at lower level of education. Vocational education programmes focus on specific vocations for entry into defined workplace. Technical education
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Lesson Overview Mutaons) Types of Mutations Now and then cells make mistakes in copying their own DNA, inserting the wrong base or even skipping a base as a strand is put
Name_____ Period_____ Atomic Structure Worksheet. Label the parts of an atom on the diagram below
Download According to the definition by UNESCO and the International Labor Organization (ILO), TVET refers to “aspects of the educational process involving, in addition to general education, the study of technologies and related sciences, and the acq
Download According to the definition by UNESCO and the International Labor Organization (ILO), TVET refers to “aspects of the educational process involving, in addition to general education, the study of technologies and related sciences, and the acq
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spouse may be carrying mutations that show up only in your offspring. 3. Mutations can accumulate throughout your life ... Section 13.3 Mutations Author:
13.3 Mutations KeyQuestions: 1) What are mutations? 2) How do mutations affect genes? The sequence of bases in DNA are like the letters of a coded message
Mutations Practice Name Per. _____ There ... Explain your answer. ... Mutations will be passed on to future generations only if they occur in which type of cell?
Name Class Date 13.3 Mutations Types of Mutations For Questions 1–8, match the term with its definitio n. Definition 1. The change of one base to
Mutations Worksheet
Name: __________ANSWER KEY____
Date: ____10-8-08____Block:__2 nd/3rd___ There are three main types of mutations: point missense mutations, point nonsense mutations, and frameshift mutations. In each of the following DNA sequences, you will use the mRNA and amino acid sequences to identify the mutation that occurred and the effects of each on, if any. Look and analyze carefully! Original DNA Sequence:
What’s the mRNA sequence? (Circle the change) A U G U A G A A C C G C U G C U G A What will be the amino acid sequence? Methionine -- STOP Will there likely be effects? Yes, the protein will be a Non-functioning, there was only 1 amino acid in it before the STOP CODON. What kind of mutation is this? NONSENSE, POINT MUTATION Mutated DNA Sequence #2:
T A C G A C C T T G G C G A C G A C T
What’s the mRNA sequence? (Circle the change) A U G C U G G A A C C G C U G C U G A What will be the amino acid sequence? Methionine – Leucine – Glutamic Acid – Proline – Leucine – Leucine -- ??? Will there likely be effects? Yes, the protein is completely different and didn’t have a STOP codon… so it’s still elongating??? What kind of mutation is this? FRAMESHIFT MUTATION Mutated DNA Sequence #3:
T A C A C C T T A G C G A C G A C T
What’s the mRNA sequence? (Circle the change) A U G U G G A A U C G C U G C U G A What will be the amino acid sequence? Methionine – Tryptophan – Asparagine – Arginine – Cysteine -- STOP Will there likely be effects? NO, because although there was a point mutation it didn’t effect the resulting polypeptide chain. What kind of mutation is this? MISSENSE, POINT MUTATION Mutated DNA Sequence #4:
T A C A C C T T G G C G A C T A C T
What’s the mRNA sequence? (Circle the change) A U G U G G A A C C G C U G A U G A What will be the amino acid sequence? Methionine – Tryptophan – Asparagine – Arginine – STOP Will there likely be effects? Yes. The protein was truncated (terminated before completion), resulting in a different protein than intended. What kind of mutation is this? NONSENSE, POINT MUTATION Mutated DNA Sequence #1:
T A C A C C T T G G G A C G A C T
deletion of G
What will be the corresponding mRNA sequence? A U G U G G A A C C C U G C U G A What will be the amino acid sequence? Methionine – Tryptophan – Asparagine – Proline – Alanine -- ???? Will there likely be effects? Yes, the protein is completely different and didn’t have a STOP codon… so it’s still elongating??? What kind of mutation is this? FRAMESHIFT MUTATION 1. Which type of mutation is responsible for new variations of a trait? MISSENSE, POINT MUTATION 2. Which type of mutation results in abnormal amino acid sequence? FRAMESHIFT MUTATION 3. Which type of mutation stops the translation of the mRNA? NONSENSE, POINT MUTATION
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