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Milestones in DNA history


Given the DESCRIPTION, identify the ANSWER

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1.

The Double Helix structure of DNA was first described by :

  James Watson, Francis Crick and Maurice Wilkins

  Watson and King

  Oswald Avery

  Peter Mitchell

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

  Friedrich Miescher

  Erwin Chargaff

  Franklin Griffith

  Oswald Avery

  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 :

  80000

  35000

  10000

  60000

  Half-n-half Clue
 

5.

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
 

6.

The scientist who created the first recombinant DNA molecules :

  Paul Berg

  Ian Wilmut

  Howard Temin

  James Shapiero

  Half-n-half Clue
 

7.

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

  A cow

  Tadpoles

  Dolly, the sheep

  Northern Leopard frogs

  Half-n-half Clue
 


 
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