Pedigree Query

Thanks sooo much! You helped alot! I really appreciate it!

Oh and one more thing, why are some of the boxes purple and some of them are pink?

http://i69.photobucket.com/albums/i66/hrslover135/pedigree.jpg Ok I have a few questions about what some of the stuff on the pedigrees mean. I highlighted what I have questions about (pretty much everything but their names hehe)! First, what I highlighted in yellow, are those letters the colors of t...