genetic lineages

What is a pedigree diagram?

A diagram that shows how genetic traits or disorders are inherited in a family

What is another name for a pedigree diagram?

Genetic lineage or a family tree

What do pedigree diagrams show?

How alleles are passed from one generation to the next

How can pedigree diagrams be used?

To predict the likelihood of inheriting a genetic disorder

How is a male represented in a pedigree diagram?

By a square

How is a female represented in a pedigree diagram?

By a circle

How is an individual with the trait shown in a pedigree?

With a shaded shape

How is an individual without the trait shown in a pedigree?

With an unshaded shape

How is a carrier of a trait shown in some pedigree diagrams?

With a striped or semi-shaded shape

Why are pedigree diagrams useful in genetics?

They help identify inheritance patterns and predict risks

What does a shaded square represent in a pedigree?

A male who has the trait

What does a striped or half-shaded circle represent?

A female carrier of the trait

If both parents are carriers, what is the likelihood their child will inherit a recessive trait?

25%

What do genetic lineages track?

The inheritance of alleles through generations

How do pedigree diagrams help in medical genetics?

They show patterns that can reveal inherited disorders