A nonsense mutation introduced into the DNA sequence of a gene may Options: A . &nbsphave no effect on the transcript or protein made B . &nbspshorten the length of the protein encoded by the gene C . &nbspcause a shift in reading frame D . &nbspcause premature termination of the mRNA

A nonsense mutation introduced into the DNA sequence of a gene may

Question

A nonsense mutation introduced into the DNA sequence of a gene may

Options:

A . have no effect on the transcript or protein made

B . shorten the length of the protein encoded by the gene

C . cause a shift in reading frame

D . cause premature termination of the mRNA

Answer: Option B

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Question 1. When mutations involve vital functions so that the mutants are nonviable, it is a....

Question 2. Frame shift mutation may occur as a result of....

Question 3. Differentiation of four different bases in automated sequencing systems is that each base has....

Question 4. Which of these mechanisms for thymine dimers repair lead to mutations?....

Question 5. The promoter on an expression vector used to overproduce proteins in bacteria is....

Question 6. Thymine dimers are directly repaired with the help of visible light by process known as....

Question 7. Genetic variations are....

Question 8. The mutation which will not affect the length of a protein is,....

Question 9. Changes in which of the following characterizes mutations?....

Question 10. Which of the following(s) is/are steps in excision repair mechanisms?....

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