Pedigree Quiz

What type of heredity is shown in the pedigree?

• Sex-Linked Dominant

• Sex-Linked Recessive

• Autosomal Dominant

• Autosomal Recessive

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

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

• 2
• 4
• 5
• 6

There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?

• Dominant
• Recessive

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

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

What is the genotype of the mother?

• BB
• bb
• Bb
• BB or Bb

Tags

NGSS.HS-LS3-1

On this pedigree, the allele for curly hair is dominant. The couple labeled 2 both have curly hair, but have a daughter who does not have curly hair. Therefore, we can tell from the chart that for the couple labeled 2 -

• the male is heterozygous and the female is heterozygous.

• the male is homozygous recessive and the female is homozygous dominant.

Tags

NGSS.HS-LS3-1