Recessive Pedigree

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

• 2

• 3

• 4

• 6

How many people in the pedigree are carriers for the disorder? 

• 6 

• 8

• 2

• 9

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the mother (circle) in generation 1?

• Brown

• Blue

• 1 blue, 1 brown

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

A dominant trait masks or hides a(n) __________ trait.

How many generations are shown in this pedigree?

• 1

• 2

• 3

• 4

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

In the second generation-how many people are carriers of the trait?

• 2

• 3

• 5

• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many females are in this pedigree?

• 3

• 4

• 6

• 7

What is this?

• Pedigree

• Karyotype

• Venn diagram

• Punnett Square

Tags

NGSS.HS-LS3-1