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The genetics of microorganisms
ONU med micro r-anderson
15
Microbiology
Undergraduate 2
09/22/2011

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Cards

Term
is genetic diversity necessary for evolution?
Definition
yes
Term
natural selection selects ...
Definition
the best fir genetic variants within a population
Term
sources of genetic diversity for bacteria
Definition
mutation and recombination
Term
mutation def
Definition
rare errors during DNA replication
Term
recombination def
Definition
incorporation of genetic material from another organism into a new host cell
Term
(few, some, most) cells contain some kind of mutation?
Definition
most
Term
mutation outcome for a cell
Definition
almost always neutral or harmful
Term
types of recombination
Definition
transformation, transduction, conjugation
Term
transformation
Definition
taking up DNA fragments from related species and incorporating in into the host genome
Term
transformation DNA source
Definition
DNA from dead cells
Term
transduction
Definition
DNA from a virally-infected donor cell is introduced into a recipient cell by a bacteriophage
Term
conjugation
Definition
transfer of chromosomal DNA fragments and/or plasmid DNA into a recipient cell through a sex pili
Term
how antibiotic resistant genes are often passed to other cells
Definition
through conjugation on plasmids
Term
"F" stands for
Definition
fertility
Term
Which cell gives the genetic info and which receives
Definition
F+ gives and F- receives
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