Pedigree chart review

Front

What is a pedigree chart?

Back

A pedigree chart shows how heritable traits/diseases are passed through generations.

Front

How many affected males does this pedigree show?

Back

3

Front

What does a filled circle represent in a pedigree chart?

Back

A filled circle represents an affected female.

Front

How many grandchildren did the parents in row I have?

Back

6

Front

How many generations are shown in this pedigree?

Back

3

Front

What does a filled square represent in a pedigree chart?

Back

A filled square represents an affected male.

Front

What is the purpose of a pedigree chart?

Back

The purpose of a pedigree chart is to track the inheritance of traits and diseases through family generations.

Front

What does a horizontal line connecting a circle and square represent?

Back

A horizontal line connecting a circle and square represents a mating pair.

Front

What does a vertical line connecting parents to offspring represent?

Back

A vertical line connecting parents to offspring represents the offspring of that mating pair.

Front

What does an empty circle represent in a pedigree chart?

Back

An empty circle represents an unaffected female.