TABLE 2.

Summary of the polymorphisms seen among the 40 strains of mice in the 1-kb sequenced region

No. of sequences	40
No. of sites	1,075
No. of sites (without alignment gaps or missing data)	866
Avg nucleotide distance between the most distant sites	972.33
Nucleotide diversity (π)	0.01158
No. of monomorphic sites	787
No. of polymorphic or segregating sites	79
No. of singleton polymorphic sites	47
No. of parsimony informative polymorphic sites (two or	32
three variants)