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Milestones in DNA history


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1.

The first organism ever to be cloned from adult cells was :

  Northern Leopard frogs

  A cow

  Dolly, the sheep

  Tadpoles

  Half-n-half Clue
 

2.

One of the surprises uncovered by the Human Genome project was the surprisingly small number of genes that humans possess. This number is approximately :

  10000

  35000

  60000

  80000

  Half-n-half Clue
 

3.

The scientist who created the first recombinant DNA molecules :

  Ian Wilmut

  James Shapiero

  Howard Temin

  Paul Berg

  Half-n-half Clue
 

4.

The Double Helix structure of DNA was first described by :

  Peter Mitchell

  Watson and King

  Oswald Avery

  James Watson, Francis Crick and Maurice Wilkins

  Half-n-half Clue
 

5.

The scientist who reported that DNA composition is species specific was :

  Sidney Brenner

  Erwin Chargaff

  Herbert Boyer

  Hamilton Smith

  Half-n-half Clue
 

6.

Proof of the model of DNA replication suggested by Watson and Crick came from the experiments of :

  George Beadle and Edward Tatum

  M. S. Meselson and F. W. Stahl

  Sidney Brenner and Francis Crick

  Stanley Cohen and Herbert Boyer

  Half-n-half Clue
 

7.

Robert Holley, Har Gobind Khorana, and Marshall Nirenberg shared the Nobel prize for medicine in 1968 for their contribution to DNA reasearch, which was :

  the discovery of the lac(tose) operon.

  the discovery of the presence of DNA which could not be expressed.

  the elucidation of protein synthesis.

  the discovery of the structure of DNA.

  Half-n-half Clue
 


 
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