Page 11 - Know your genome_English

DNA is a long thread, shaped like a spiral ladder. Two copies of the each

called alleles are present on the two chromosomes. gene,

Genes lie scattered along the Chromosomes
DNA. Contain DNA

h DNA IOoks H
like a spiral
ladder

Genes can be veryY
Some parts Of the different in
genome are gene length
deserts- with no

apparent genes in
Some genes are split sight..
into pieces, that

have to be copied,
Cut and stitched
togecher, before
they can work All the DNA Of an organism taken togecher is its

"genome"