A plasmid for genetic engineering in plant, is separated from the
TMV
bacteria
fungus
green plants
The preparation of recombinant DNA requires
nitro-reductase
DNA polymerase
RNA polymerase
restriction enzymes
What will be the no. of linkage groups in maize, if it has 10 pairs of chromosome?
5
10
20
none of these
Golden rice is a transgenic crop of the future, with which of the following improved trait?
insect resistance
high protein content
high vitamin- A content
high lysine (essential amino acid) content
When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be
pseudoalleles
different genes
multiple alleles
parts of same gene
The RNA, that picks up specific amino acid, from amino acid pool in the cytoplasm, to ribosome during protein synthesis, is called
m-RNA
t-RNA
r-RNA
d-RNA
Lack of independent assortment of genes A and B in fruit fly Drosophila is due to
repulsion
linkage
crossing over
recombination
The proteins are synthesized at
ribosomes
mitochondria
centrosomes
golgibodies
Plasmid is used as carrier because
it has antibiotic resistance genes
its both ends are replicating points
it can go between eukaryotic and prokaryotic cells
it is a circular DNA which has capacity to bind eukaryotic DNA
Double helical model for DNA molecule was proposed by
Watson and Crick
Jacob and Monad
Beadle and Tatum
Khorana and Korenberg
