What Percent of DNA Carries Functional Genes

Question

What percent of DNA carries functional genes?
A) 1%
B) 5%
C) 10%
D) 25%

Accepted Answer

While the exact percentage varies between species, it is generally estimated that functional genes make up only about 1-2% of the total DNA in a genome. The remaining DNA has various functions, including regulating gene expression and providing structural support for chromosomes.