Pedigrees

Front

What shape represents a male in a pedigree?

Back

Square

Front

Is Huntington's disease caused by a dominant or recessive trait?

Back

Dominant

Front

What is the genotype of a father who is homozygous dominant?

Back

AA

Front

How are individuals I-2 and III-5 related in a pedigree?

Back

Grandma and grandson

Front

How many individuals are there in the 3rd generation of a pedigree with 4 individuals?

Back

4

Front

What shape represents a female in a pedigree?

Back

Circle

Front

What does a filled shape represent in a pedigree?

Back

An affected individual

Front

What does a half-filled shape represent in a pedigree?

Back

A carrier individual

Front

What is the purpose of a pedigree chart?

Back

To track inheritance patterns of traits across generations.

Front

What does it mean if a trait is autosomal dominant?

Back

Only one copy of the dominant allele is needed for the trait to be expressed.