Dirty condenser coils, evaporator fan motor failure or a defective start relay switch are common freezer problems that cause the freezer to malfunction or not freeze. Frosted-over evaporator coils, a...
A pedigree is a table or chart recording a line of ancestors , either of persons or ( more especially ) of animals , as horses , cattle , and dogs ; in the case of animals , such a table is used as proof of superior qualities : a detailed pedigree.A genealogy is an account of the descent of a person or family traced through a series of generations , ...
No notes for slide. 1  The purpose of this presentation is for the students to become familiar with how to use and interpret the pedigree chart. This presentation will illustrate several characteristics of the pedigree chart. 2  A pedigree is a chart of the genetic history of family over several generations.