If recombination of the gene is 50%, the linkage will be
cis
trans
complete
incomplete
Lack of independent assortment of genes A and B in fruit fly Drosophila is due to
repulsion
linkage
crossing over
recombination
Three crops that contribute maximum to the global food grain production are
wheat, rice and maize
wheat,rice and barley
rice, maize and sorghum
wheat, maize and sorghum
Somaclonal variation can be obtained by
hybridization
tissue culture
application of colchicine
irradiation with gamma rays
The genetic material in × 174 is
single-stranded DNA
single -stranded RNA
double-strande DNA
double-stranded RNA
Linkage was detected by
Miller
De Vries
Morgan
Mendel
Which of the following is used in genetic engineering?
nuclease
RNA polymerase
DNA polymerase
restriction endonuclease
The lac operon is an example of
arabinose operon
inducible operon
repressible operon
overlapping genes
Manipulation of DNA in genetic engineering became possible due to the discovery of
primase
transcriptase
DNA ligase
The restriction endonuclease is used for cutting
m-RNA
RNA fragment
single-strand DNA
double-stranded DNA