Genetics Punnett Square and Pedigree Review

What does a filled square represent?

• Unaffected Female

• Unaffected Male

• Affected male

• Affected Female

How many generations are shown in this pedigree?

• 1

• 2

• 3

• 4

This pedigree represents the heritage of hemophilia in this family. How many of the women are affected by hemophilia?

• 8

• 5

• 2

• 3

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If the pedigree shows a recessive trait, what is the genotype of the shaded individuals?

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

How many people in this entire pedigree are affected by the trait/disease?

• 2

• 3

• 4

• 6

Give the genotype of person II-1, for this autosomal recessive trait.

• GG

• Gg

• gg

• G_

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If this pedigree shows an autosomal recessive disorder, what MUST be the genotype of the II-3 individual?

• HH

• Hh

• hh

• None of the above

Tags

NGSS.HS-LS3-1

This is a pedigree that follows blue eyes, which is a recessive trait. What is the genotype of the father (square) in generation 1?

• Aa

• AA

• aa

• A_

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a heterozygous genotype, the __________ allele is expressed the phenotype.

• Recessive

• Dominant

• lowercase letter

• both

T - tall t = short

In the Punnett square below, what belongs in the missing square?

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1