Punnett Squares and Pedigree Analysis

A chart that displays family relationships indicating traits or disorders

• Punnett square

• Pedigree

• Karyotype chart

What does a filled circle represent?

• Not affected male

• Not affected female

• Affected male

• Affected female

What does a filled in square represent?

• Not affected Female
• Not affected Male
• Affected Male
• Affected Female

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What do half colored symbols represent?

• The individual is a carrier.

• The individual expresses the trait.

• The individual has both recessive alleles.

• The individual has both dominant alleles.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How are individuals III-2 and II-4 related?

• Cousins
• Dad and Daughter
• Uncle and Niece
• Grandpa and Granddaughter

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• 2
• 4
• 5
• 6

Tags

NGSS.HS-LS3-1