# GATE2013-53

A DNA fragment of $5000bp$ needs to be isolated from E.coli (genome size $4\times10^3kb$) genomic library.
The number of clones to represent this fragment in genomic library with a probability of $95\%$ are
1. $5.9\times10^3$
2. $4.5\times10^3$
3. $3.6\times10^3$
4. $2.4\times10^3$