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Principles Of Inheritance And Variation

Question
CBSEENBI12002997
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Phage genome site on bacterial chromosome resulted in the structure

  • Nucleic acid

  • Heterocyst

  • Prophage

  • None of these

Solution

C.

Prophage

Prophage is the DNA of bacteriophage that is repressed for lytic functions and is maintained in the host bacterium in a stable state. Te phage genome is integrated into DNA of its bacterial host and may be replicated along with  the host DNA, as in the case or bacteriophage lambda or may be maintained as extrachromosomal DNA, as in the case for bacteriophage, lambda P1

Some More Questions From Principles of Inheritance and Variation Chapter

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 ?

What term is used for the two chromatids resulting from the interchange of segments during crossing over ?

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