A student compares the DNA sequence of three unrelated organisms. What similarity will the student find in the DNA sequences?
Responses

The DNA sequences of all three organisms are made up of four nucleotides: A, T, C, and G.
The DNA sequences of all three organisms are made up of four nucleotides: A, T, C, and G.

The DNA sequences of all three organisms have the same orders of base pairs.
The DNA sequences of all three organisms have the same orders of base pairs.

The DNA sequences of all three organisms are made up of five nucleotides: A, T, U, C, and G.
The DNA sequences of all three organisms are made up of five nucleotides: A, T, U, C, and G.

The DNA sequences of all three organisms have very little in common.