The following are nucleotide sequence data. Which two species are most closely related?
Species 1 attcgattacccggc
Species 2 attcccttagccggg
Species 3 cttcgattacccggc
1 and 3
2 and 3
1 and 2
cannot tell
Species 1 attcgattacccggc
Species 2 attcccttagccggg
Species 3 cttcgattacccggc
1 and 3
2 and 3
1 and 2
cannot tell