Supercoiled $DNA$ can be traced in
Prokaryotes and eukaryotes
Eukaryotes only
Prokaryotes only
None of these
When one or more genes are missing from middle part of chromosome, it is called
Human Genome Project $(HGP)$ is closely associated with the rapid development of a new area in biology called as
Genes of interest can be selected from a genomic library by using
Balbiani rings are present in
Percentage of $( G + C )$ is