Pedigree and Inheritance

A chart that displays family relationships indicating traits or disorders

• Punnett square

• Pedigree

• Karyotype chart

In a pedigree, individuals that are affected are represented as shapes that are

• Not shaded

• Fully shaded

• Half shaded

Pedigrees may be difficult to construct or interpret because

• People may hesitate to supply information because the symptoms embarrass them

• Adoption/children born out of wedlock/serial relationships/blended families are difficult to construct

• Many people cannot trace their families back far enough to reveal of mode of inheritance

• All of the above

In a pedigree, individuals that are carriers are represented as shapes that are

• Not shaded

• Fully shaded

• Half shaded

How many generations are shown in this pedigree?

• 1

• 2

• 3

• 4

This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?

• 8

• 5

• 2

• 3

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is this trait (the shaded individuals) dominant or recessive?

• dominant

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a pedigree chart, men are represented by

• Circles

• Diamonds

• Squares

In a pedigree chart, women are represented by

• Circles

• Diamonds

• Squares

In a pedigree, individuals that are unaffected are represented as shapes that are

• Not shaded

• Fully shaded

• Half shaded