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Milestones in DNA history


Given the DESCRIPTION, identify the ANSWER

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1.

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

  80000

  10000

  60000

  35000

  Half-n-half Clue
 

2.

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

  Northern Leopard frogs

  A cow

  Dolly, the sheep

  Tadpoles

  Half-n-half Clue
 

3.

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

  Sidney Brenner

  Hamilton Smith

  Herbert Boyer

  Erwin Chargaff

  Half-n-half Clue
 

4.

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 structure of DNA.

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

  the discovery of the lac(tose) operon.

  the elucidation of protein synthesis.

  Half-n-half Clue
 

5.

The Double Helix structure of DNA was first described by :

  Watson and King

  James Watson, Francis Crick and Maurice Wilkins

  Peter Mitchell

  Oswald Avery

  Half-n-half Clue
 

6.

The scientist who first showed that genetic material is a heat stable chemical is :

  Oswald Avery

  Franklin Griffith

  Erwin Chargaff

  Friedrich Miescher

  Half-n-half Clue
 

7.

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

  George Beadle and Edward Tatum

  Sidney Brenner and Francis Crick

  Stanley Cohen and Herbert Boyer

  M. S. Meselson and F. W. Stahl

  Half-n-half Clue
 


 
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