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 , ...
Pedigree Analysis. A pedigree chart displays a family tree, and shows the members of the family who are affected by a genetic trait. This chart shows four generations of a family with four individuals who are affected by a form ofcolorblindness. â¢ Circles represent females and. squares represent males.