Question

approximately what proportion of human genome is made up of dna sequences

Answer 1

hey.... here you go
The human genome also contains vast regions of repeating sequences. Scientists at Celera Genomicsestimate that almost 50% of thegenome consists of these repeaters. Two, the "freeloaders" called LINE1 and Alu, make up respectively about17% and 10% of the DNA in humanchromosomes.