Non Frameshift Mutation

Q. How are mutations induced in a crop plant?

Q. What is frame shift mutation? Name the type of mutation that does not affect protein synthesis.

Q. Which of the following can cause a non-frameshift mutation?

1. Addition of 3 or multiples of 3 base paits
2. Addition of 1 base pair
3. Deletion of 3 base pairs
4. Deletion of 2 base pairs

Q. Consider the following pairs:
1. Acridine compounds mutation : Frame-Shift
2. Ultraviolet light : Converison of one base into another
3. Bromouracil : Thymidine dimer
Which of the above pairs is/are correctly matched?

1. 1 only
2. 1 and 2
3. 1 and 3
4. 2 and 3

Q. Which of the following can cause a non-frameshift mutation?

1. Addition of 3 or multiples of 3 base paits
2. Addition of 1 base pair
3. Deletion of 3 base pairs
4. Deletion of 2 base pairs

Q. A mutation that changes a codon specifying a different amino acid is

1. Nonsense mutation
2. Missence mutation
3. Leaky mutation
4. Null mutation

Q. Which of the following can cause a non-frameshift mutation?

1. Addition of 3 or multiples of 3 base paits
2. Addition of 1 base pair
3. Deletion of 3 base pairs
4. Deletion of 2 base pairs

Q. DNA mutations that do not cause any functional change in the protein product are known as

1. Nonsense mutations
2. Missense mutations
3. Deletion mutations
4. Silent mutations

Q. Which of the following statement is not true for cancer cells in relation to mutations?

1. Mutations inhibit production of telomerase.
2. Mutations in proto-oncogenes accelerate the cell cycle.
3. Mutations destroy telomerase inhibitor.
4. Mutations inactivate the cell control.

Q. A point mutation where guanine is replaced by cytosine is also called

1. Transition mutation
2. Frame shift mutation
3. Transversion mutation
4. Translocation mutation