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Principles Of Inheritance And Variation

Question
CBSEENBI12002866
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Select the correct match

  • Alec Jeffreys - Streptococcus pneumoniae

  • Alfred Hershey and Martha Chase - TMV

  • Francois Jacob and Jacques Monod - Lac operon

  • Matthew Meselson and F. Stah - Pisum sativum

Solution

C.

Francois Jacob and Jacques Monod - Lac operon

Francois Jacob and Jacque Monod proposed the model of gene regulation known as operon model/lac operon
– Alec Jeffreys – DNA fingerprinting technique.
– Matthew Meselson and F. Stahl – Semiconservative DNA replication in E. coli.
– Alfred Hershey and Martha Chase – Proved DNA as genetic material, not protein.

Some More Questions From Principles of Inheritance and Variation Chapter

What is Mendel’s monohybrid phenotypic ratio ?

Write down Mendel’s dihybrid Phenotypic ratio 

Who were the rediscoverers of Mendelism ?

What are the real determinants of what an organism will become ?

What is the unique feature of F1 generation ?

What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

What do the symbols square and circle in a pedigree chart indicate ?

Define heterogamy. Give an example.

How many chromosomes are found in human cells ?

Why is male Drosophila regarded as heterogametic ?

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