es of sites 
 with transitional and transversional differences respectively</span><span 
	 style="font-size: 11.0pt;">, and</span></p>
<p><span style="font-size: 11.0pt;"><img src="DistanceMethods_HC_files/image038.jpg" alt="" border="0" style="width:100%; max-width:243px" /></span></p>
<p><b><span style="font-size: 11.0pt;">Variances</span></b></p>
<p><span style="font-size: 11.0pt;"><img src="DistanceMethods_HC_files/image040.jpg" alt="" border="0" style="width:100%; max-width:563px" /></span></p>
<p><spa