Pedigrees, Patterns of Genetic Inheritance, Autosomal Dominant Recessive X-Linked Mitocondrial 

www.stomponstep1.com/pedigrees...
Before you watch this video you should really watch the previous video in the section which covers Types of Inheritance (www.stomponstep1.com/genetic-i...)
Pedigrees are graphical representations of ancestry with respect to one or more disease(s). Males are represented with a square while females are represented with a circle. The shape is black/filled in if the individual is affected by the disease. The shape is empty/white if the individual is not affected by the disease (may be unaffected or carrier). Usually each generation (row) is labeled with a roman numeral while each individual is labeled with a number.
Autosomal Dominant
Autosomal recessive
X linked recessive
Mitochondrial
Now that you are done with this video you should check out the next video in the Genetics section which covers Purine Salvage Pathway & Lesch-Nyhan Syndrome(www.stomponstep1.com/purine-sa...)