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Molecular Basis of Inheritance

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CBSE Gujarat Board Haryana Board

## Previous Year Papers

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Class 10 Class 12

Which one of the following techniques made it possible to genetically engineer living organism

• Recombinant DNA techniques

• X -ray diffraction

• Heavier isotope labelling

• Hybridization

A.

Recombinant DNA techniques

Recombinant DNA technology is joining together of DNA molecules from two different species that are inserted into a host organism to produce new genetic combinations.

Recombinant DNA technology is joining together of DNA molecules from two different species that are inserted into a host organism to produce new genetic combinations.

251 Views

Name the genetic material for majority of organisms.

DNA (Deoxyribose nucleic acid)
965 Views

List the function of RNA.

Functions of RNA
RNA acts as genetic material in viruses
It also functions as an adapter and messenger
It also acts as a catalytic molecule and catalyses various biochemical reactions.
721 Views

How many nucleotides are present in a bacteriophage $\mathrm{\varphi }$ x 174.

5386
805 Views

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

(i) 48502 bp
(ii) 4.6 x 106 bp and
(iii) 3.3 x 109 bp.
757 Views

Comment two chains of DNA have antiparallel polarity.

The Two chain of DNA are antiparallel that is
if one chain has 5’ x 3’ polarity the other chain has 3’ x 5’ polarity.
658 Views