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Milestones in DNA history


Given the DESCRIPTION, identify the ANSWER

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Multiple choice

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1.

The Double Helix structure of DNA was first described by :

  Watson and King

  Oswald Avery

  Peter Mitchell

  James Watson, Francis Crick and Maurice Wilkins

  Half-n-half Clue
 

2.

The scientist(s) who developed a technique to sequence DNA and later won a Nobel prize for their achievement in 1980 is(are) :

  Clara Bloomfield

  Harold Varmus and Rodney Porter

  Arnold Levine and Gerald Edelman

  Walter Gilbert and Frederick Sanger

  Half-n-half Clue
 

3.

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

  Dolly, the sheep

  Tadpoles

  A cow

  Northern Leopard frogs

  Half-n-half Clue
 

4.

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

  60000

  80000

  35000

  10000

  Half-n-half Clue
 

5.

The scientist who identified the transforming agent in Griffith's famous experiment (1928) as DNA was :

  Oswald Avery

  Erwin Chargaff

  Friedrich Miescher

  Peter Mitchell

  Half-n-half Clue
 

6.

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

  Hamilton Smith

  Erwin Chargaff

  Sidney Brenner

  Herbert Boyer

  Half-n-half Clue
 

7.

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

  Friedrich Miescher

  Oswald Avery

  Erwin Chargaff

  Franklin Griffith

  Half-n-half Clue
 


 
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