What is antissense technology?

A cell displaying a foreign antigen used for synthesis of antigens

Production of somaclonal variants in tissue cultures.

When a piece of RNA that is complementary to sequence is used to stop expression of a specific gene.

all mutations, whether dominant or recessive are expressed in haploids

Solution

When a piece of RNA that is complementary to sequence is used to stop expression of a specific gene.

The antisense RNA technology simply involves the synthesis of RNA molecules that are complementary to the mRNA molecules produced by transcription of a given gene. Usually t his antisense RNA will not contain the regulatory sequences required for translation but even if does it will not usually specify a functional product. Instead, most antisense RNAs contain multiple termination codons in all three reading frames. However, when antisense RNA molecules are present in the same cytosol with sense (mRNA) molecules of a gene, the antisense RNA and mRNA molecules will anneal to form duplex RNA molecules. These duplex RNA molecules cannot be translated thus, the presence of antisense RNA will block translation of the mRNA of the affected gene.

Some More Questions From Molecular Basis of Inheritance Chapter

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Molecular Basis Of Inheritance

Some More Questions From Molecular Basis of Inheritance Chapter

List the number of base pairs in :
(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

Comment two chains of DNA have antiparallel polarity.

What is the difference between DNAs and DNAase ?

Which was first genetic material ?

Suggest one evidence to prove that RNA was first genetic material.

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

List three components of transcription unit.

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NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Molecular Basis Of Inheritance

Some More Questions From Molecular Basis of Inheritance Chapter

List the number of base pairs in : (i) lambda bacteriophage (ii) E.coli and (iii) haploid content of human DNA.

Comment two chains of DNA have antiparallel polarity.

What is the difference between DNAs and DNAase ?

Which was first genetic material ?

Suggest one evidence to prove that RNA was first genetic material.

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

List three components of transcription unit.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

List the number of base pairs in :
(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.