How many genes are present on chromosome $1$?

$A$ : $HGP$ was completed in $2003$ by sequencing all genes of all chromosomes.
$R$ : All coding and noncoding genes were sequenced by $ESTs$.

Give an account of the methods used in sequencing the human genome.

What is a genome?

If a geneticist uses the blind approach for sequencing the whole genome of an organism,followed by assignment of function to different segments,the methodology adopted by him is called as :

How many locations have been identified in the human genome where single base differences occur?