Pedigrees & Dihybrid Crosses

For a Pedigree, Match the following...

• Shape Filled

• Female Symbol

• Circle

• Individual NOT affected

• Square

• Male symbol

• Shape Not filled

• Affected Individual

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

• 2
• 4
• 5
• 6

Tags

NGSS.HS-LS3-1

What do half colored symbols represent?

• The individual is a carrier (heterozygous).
• 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

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

Which gender can be carriers of colorblindness and not have it?

• Just males
• Just females
• Both genders

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many people in this whole pedigree have the trait/disease?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This is a pedigree that traces blue eyes, which is a recessive trait. While brown is dominant. What is the phenotype and genotype of the mother in generation 1?

• Brown eyes

• Blue eyes

• BB

• bb

• Bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If this pedigree is tracing a recessive disorder, what is the genotype of individual II-3?

• HH
• Hh
• hh
• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

This is a pedigree that traces freckles, which is a dominant trait. What is the genotype of the father in generation 1?

• Aa

• AA

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Cystic Fibrosis is a recessive trait. Which genotype(s) will NOT have cystic fibrosis?

• CC

• Cc

• cc

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2