The genetic material in HIV is
single -stranded RNA
double-stranded RNA
single-stranded DNA
double-strande DNA
Which form of RNA has a structure resembling clover leaf?
t-RNA
r-RNA
m-RNA
hn-RNA
The enzyme restriction endonuclease
cuts RNA strand
cuts double -strand of DNA
joins the strands of DNA
cuts single -strand of DNA
The known sequences of DNA, used to find complementary DNA strands, are
vector
plasmid
DNA probe
recombinant DNA
Agrobacterium tumefaciens, a large plasmid, which induces tumor in the plants, is termed as
Ti plasmid
Ri plasmid
recombinant plasmid
shine dolgano sequence
The polygenic genes show
similar genotype
different genotype
different karyotype
different phenotype
Puff chromosomes are found in
polytene chromosomes
sex linked chromosome
somatic chromosomes of Drosophila
both'1' and '3'
Which of the following is used in genetic engineering?
nuclease
RNA polymerase
DNA polymerase
restriction endonuclease
The genes are responsible for the growth and differentiation in an organism through the regulation of
translocation
transformation
transduction and translation
translation and transcription
"DNA is a genetic material'' was proved by
Griffith
Watson
Linus Pauling
Messelson and Stahl