Pedigree Chart Quiz

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

• They are siblings

• They are cousins

• They are married ("a couple")

• They are the children

What does an unshaded square represent?

• Not affected male

• Not affected female

• Affected male

• Affected female

What does this shaded circle represent?

• Not affected male

• Not affected female

• Affected male

• Affected female

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does this unshaded circle represent?

• Not Affected Male

• Not Affected Female

• Affected Male

• Affected Female

What does this shaded square represent?

• Not affected Female

• Not affected Male

• Affected Male

• Affected Female

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many females are in this pedigree?

• 3
• 4
• 6
• 7

Which two individuals have hitchhiker's thumbs?

• III-2 and III-3
• IV-1 and IV-3
• I-1 and I-2
• III-2 and IV-2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many girls did II-1 and II-2 have?

• 1
• 2
• 3
• 4

What is the genotype of the mother?

• BB
• bb
• Bb
• BB or Bb

Tags

NGSS.HS-LS3-1

How many of the males in this pedigree show the trait being studied?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3