The First Complete DNA Sequence of a Nonviral, Free-Living Organism

Question

The first complete DNA sequence of a nonviral, free-living organism was obtained for:
A)a bacterium in 1900.
B)a bacterium in 1945.
C)a bacterium in 1995.
D)humans in 1990.
E)humans in 2000.

Accepted Answer

The first complete DNA sequence of a nonviral, free-living organism was obtained for a bacterium in 1995. This bacterium was Haemophilus influenzae, and its entire genome was sequenced using the relatively new technique of whole-genome shotgun sequencing.