In a ds DNA molecule A-T base pairs are rarely equal to C-G base pairs.The ratio of A+T/ C+G is

In a ds DNA molecule A-T base pairs are rarely equal to C-G base pairs.The ratio of A+T/ C+G is

In a ds DNA molecule A-T base pairs are rarely equal to C-G base pairs.
The ratio of A+T/ C+G is variable but constant for a species. It can be used to identify the source of DNA. The ratio is less than one in primitive cell I.e., prokaryotic cells (0.93 for E coli) where as in eukaryotic cell (