Semi-conservative replication of DNA was first demonstrated in:

  • Option 1)

    Escherichia coli

  • Option 2)

    Streptococus pneumoniae

  • Option 3)

    Salmonella typhimurium

  • Option 4)

    Drosophila melanogaster

 

Answers (1)

As learnt

Replication in DNA -

Watson and Crick suggested the two strands would seperate and act as a template for the synthesis of new complimentary strands. After the completion of replication, each DNA molecule would have one parental and one newly synthesised strand.

- wherein

This scheme was termed as 'semiconservative DNA replication'

 

 Nature of DNA replication was first demonstrated in E.coli


Option 1)

Escherichia coli

This option is correct

Option 2)

Streptococus pneumoniae

This option is incorrect

Option 3)

Salmonella typhimurium

This option is incorrect

Option 4)

Drosophila melanogaster

This option is incorrect

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