Pedigrees

Front

What does an open circle represent in a pedigree?

Back

Not Affected Female

Front

What is the most likely genotype for person III-3 if the trait is recessive and skips a generation?

Back

gg

Front

How many generations are shown in a typical pedigree?

Back

4

Front

What do we use pedigrees for?

Back

To track traits in families

Front

What does individual II-1 indicate in a pedigree diagram?

Back

a male with no freckles

Front

What does a filled circle represent in a pedigree?

Back

Affected Female

Front

What does a filled square represent in a pedigree?

Back

Affected Male

Front

What is a carrier in genetics?

Back

An individual who has one copy of a recessive allele and does not express the trait.

Front

What is the purpose of a pedigree chart?

Back

To analyze the inheritance of traits across generations.

Front

What does it mean if a trait skips a generation in a pedigree?

Back

It suggests that the trait is recessive.