There are special proteins that help to open up $DNA$ double helix in front of the replication fork. These protein are
$DNA$ ligase
$DNA$ gyrase
$DNA$ polymerase $I$
None of these
In man sexlinked characters are mainly transmitted through
Haploid content of human $DNA$ contains
Who developed $DNA$ finger printing method ?
In a hair pin model of $RNA$ which nitrogen base is present at the short end
When one or more genes are missing from middle part of chromosome, it is called