Course

Genetics

Study Pack

Set 9 Bacterial And Viral Genetic Systems

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Question 1

(Multiple Choice)

Free
Which of the following features would NOT be considered an advantage for using organisms such as bacteria and viruses for genetic studies?

A) rapid reproduction and high progeny number
B) haploid genome for expressing mutations
C) complete absence of recombination, which maintains the integrity of the genome
D) low cost to maintain and little storage space required
E) genomes being small and readily subjected to genetic manipulation

Answer

Question 2

(Multiple Choice)

Free
The transfer of DNA from a donor cell to a recipient cell through a cytoplasmic connection is called:

A) transformation.
B) transduction.
C) the lysogenic cycle.
D) the lytic cycle.
E) conjugation.

Answer

Question 3

(Essay)

Free
In order to better understand arginine biosynthesis in bacteria, a microbial geneticist might first isolate mutant bacterial strains.
a. What characteristics must these mutant bacteria have?
b. Outline a strategy for isolating such mutants.
c. List three possible methods for mapping the genetic location of the mutations in these strains.

Answer

a. The mutant bacterial strains must hav...

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