Choose the incorrect statement regarding the observations drawn from the human genome project.
Repetitive sequences are stretches of $RNA.$
Less than $2 $ per cent of the genome codes for protein.
$SNPs$ help in tracing human history.
Repetitive sequences make up a very large portion of the human genome.
Give any six features of the human genome.
What are the application and future challenges of HGP ?
Give scientific reasons : $DNA$ polymorphism is the basis of genetic mapping of human genome.
The total number of genes in humans is far less $(< 25,000)$ than the previous estimate (upto $1,40,000$ gene). Comment.
Satellite $DNA$ is important because it