this topic is about how likly the offprings going to be to now have to use a punett squere to now this have to take some traits of the parents and have some probabilities . By the probability can be trace a pedigree , a pedigree is the history of the trits of a family . in two parents one can be dominant and the other can be ressesive traits that traits can be appers in the ofprings the dominat traits is the physical and the ressesive is in the genes .