A normal spontaneous rate for a single gene is one mutation in every……replication
${10^3}$ to ${10^5}$
${10^5}$ to ${10^7}$
${10^6}$ to ${10^9}$
${10^7}$ to ${10^{10}}$
When two genes are situated very close to each other in a chromosome
The total number of nitrogenous bases in human genome is estimated to be about
In-vitro template independent $RNA$ synthesis is a feature of
Balbiani rings are sites of
There are special proteins that help to open up $DNA$ double helix in front of the replication fork. These protein are