Hello Cheri, Extra mutations and missing mutations matter. That is why comparing rCRS differences (or RSRS differences) is important and matching haplogroups can be misleading (because those just sharing the same haplogroup share a matrilineal line ancestor earlier than those who share the same haplogroup and the same extra and missing mutations).
Your screen shot: https://drive.google.com/file/d/1jPL3d8Ru0jAut7wq6tXYPwkKQxIZ8mKV/view?usp=drivesdk is looking at your mtDNA differences from the RSRS (Reconstructed Sapiens Reference Sequence). mitoYDNA.org uses mtDNA differences from the rCRS (revised Cambridge Reference Sequence). Using differences from the rCRS allows mitoYDNA to be compatible with other labs which don't report mtDNA differences from the RSRS (which includes most of the published scientific literature).
In my screen shot above, for user ID T12623, you can see his rCRS HVR1 and rCRS HVR2 differences. His Coding Region differences (Diff CR) only show the number of differences (not the actual location labels where there is a difference). Comparing rCRS differences (my graphic above) with RSRS differences (your link) is like comparing tangerines and oranges. Your link also includes some coding region differences which mitoYDNA does not display (in case they have health related implications).
72b7a2 should be T2b7a2.
To include a graphic in a G2G post...
Save the graphic to your computer.
Create a WikiTree free space page (which has a privacy level of Public) for all your images you want others to see.
On your free space page, click on the Images tab and upload the graphic to that free space page.
Click the link for "[click here to see the full-size original image]".
Copy that URL.
Go to your G2G post.
Click the picture icon (it is an image of a sun/moon and mountain).
Past the URL into the URL field
Change the width to 600
Click the OK button
Most sincerely, Peter
