In the Late 1990s What Important Discovery in Genetics Was

Multiple Choice

In the late 1990s what important discovery in genetics was made?

A) The three-dimensional structure of DNA was described, which showed how DNA might be replicated.
B) The first recombinant DNA experiments were performed that started the biotechnology field.
C) DNA sequencing methods were first discovered.
D) Genes were found to be located on chromosomes.
E) Tiny RNAs were discovered that play important roles in the regulation of gene expression.