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Molecular Basis Of Inheritance

Question
CBSEENBI12002572
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Satellite DNA is useful tool in 

  • Organ transplantation

  • sex determination

  • forensic science

  • genetic engineering

Solution

C.

forensic science

Britten and his coworkers (1996-68) have demonstrated that many vertebrate DNAs reassociate, especially, If broken into smaller pieces. This observation gave rise to the hypothesis that certain short sequences of bases are repeated hundred or more time in such DNAs. Such DNAs have been called repetitive or satellite DNAs have been called repetitive or satellite DNAs. All eukaryotes except years contain satellite DNA. Satellite DNA region like VNTR/RFLP are the basis of DNA fingerprinting (forensic science).

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 ?

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