Table 2.

Estimates of the divergence time (T) between rabbits and snowshoe hares

Gene	Distance, nucleotide substitutions per 100 sites			T, MY
	Human–rabbit	Human–hare	Rabbit–hare
PCB (n = 91)	48.6  ±  8.3	46.8  ±  8.1	6.8  ±  2.8	13.1  ±  5.3
Cytb (n = 240)	21.3  ±  3.3	20.7  ±  3.2	5.6  ±  1.6	20.3  ±  5.8
12S rRNA (n = 714)	25.0  ±  2.2	26.0  ±  2.3	7.1  ±  1.1	25.1  ±  3.9
Ig Cκ (n = 65)	60.5  ±  15.9	46.0  ±  12.7	13.2  ±  5.6	29.0  ±  12.2
Average				21.9  ±  3.8

n, Number of codons after all gaps were eliminated except for the 12S rRNA gene, for which n refers to number of nucleotide sites after all gaps were eliminated.