Pedigree Quiz

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

What does a horizontal line between a square and a circle mean?

• They are siblings

• They are cousins

• They produced children ("reproduced")

• They are the children

How many boys did the mother and father from the first generation have?

• 2
• 4
• 5
• 6

How many girls in this family express this recessive disorder?

• 4
• 5
• 6
• 7

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Which individual in the first generation is a carrier?

• The male
• The female
• individual 1
• None of the above

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

If hemophilia is a sex-linked recessive trait, what genotype would individual III-3 have?

• X^bX
• X^bX^b
• X^bY^b
• X^bY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2