Pedigrees

Question 1

Male versus Female

Answer 1

• Males are Square (just kidding ;) – Represented by squares

* Females are represented by circles

Question 2

First comes love

Answer 2

• A horizontal line connecting a male and female represents a marriage line (Any coupling that results in offspring is attached with this line, even if the partners are not ‘married”

Question 3

Kiddies

Answer 3

A vertical line and bracket connect the parents to their children

Question 4

Shady characters

Answer 4

A shaded square or circle indicates a person that possesses that trait
• A square or circle that is not shaded indicated the person does not have the trait being studied

Question 5

Labeling

Answer 5

• In order to read a Pedigree, two numbering rules apply
– Generation- which is shown with Roman Numerals
– Individuals- which is shown with a number
• These numbers can be used to identify individuals on the pedigree. For Example, look at the pedigree and pick out: II-5