Microbiology Objective Questions { DNA Sequencing, Mutation and Repair }

Home // Microbiology // DNA Sequencing, Mutation and Repair

1. Genetic variations are

B. influenced by the environment

D. not heritable

Discuss in Forum

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

A. nonsense mutation

B. missense mutation

C. frameshift mutation

D. all of these

Discuss in Forum

3. Changes in which of the following characterizes mutations?

C. Both (a) and (b)

D. None of these

Discuss in Forum

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

D. All of these

Discuss in Forum

5. The whole-genome shotgun sequencing approach depends primarily on

A. rapidly sequencing thousands of small randomly cloned fragments

B. methodical sequencing a few large cloned fragments of DNA

C. sequencing the bacterial chromosome while it is still intact

D. all of the above

Discuss in Forum

6. What was the first eukaryotic chromosome to be sequenced?

A. Yeast chromosome III

B. Yeast chromosome XI

C. Arabidopsis chromosome IV

D. None of these

Discuss in Forum

7. Which of the following mutations arise without exposure to external agents?

A. Spontaneous mutations

B. Analogous mutations

C. Induced mutations

D. None of these

Discuss in Forum

Page 1 of 3

1 23 »