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WSU BIOL 301 Recitation Quiz One
Discovery of Genetic Material
8
Biology
Undergraduate 2
08/26/2009

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Cards

Term

What features must genetic material possess? 

Definition
  • Information
  • Transmission
  • Replication
  • Variation
Term

Features of Genetic Material:

 

Information

Definition
  • Must contain information to construct an entire organism
  • aka, must provide blueprinte to inherited traits
Term

Features of Genetic Material:

 

Transmission

Definition
  • Genetic material must be passed from parent to offspring
Term

Features of Genetic Material:

 

Replication

Definition
  • It must be replicable...
Term

Features of Genetic Material:

 

Variation

Definition
  • Must have variation to account for the known phenotypic difference winthin each species.
Term

Griffith Experiment

 

Goal

 

Key Result

 

Discovery

 

Conclusion

Definition
  • Goal: to know why some bacterial strains are infectious and others not
  • Key Result: Dead Type IIIs + Alive Type IIr = Dead mousey
  • Discovery: the transforming principle
  • Conclusion: something in the heat-killed IIIs transformed IIr into virulent bacteria
Term

Hershey - Chase Exp

 

Goal

 

Key Result

 

Discovery

 

Conclusion

Definition
  • Goal: to see if DNA or Protein is the genetic material of T2
  • Key Result: DNA found in bacteria
  • Discovery: Protein body did not enter bacter, DNA did...
  • Conclusion: DNA is genetic material of the phage.
Term
Why did ppl originally think protein was the genetic material?
Definition
  • It was complex
  • can form lots of structures
  • Made up of a good portion of cell
  • Scientists know more about it
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