PEDIGREE

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

NGSS.HS-LS3-3

How many individuals are there in the 3rd generation?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-LS3-1

Examine the pedigree. The allele for the presence of a widow’s peak is dominant. Therefore, we can tell from the chart that in the couple labeled 2:

• the male is heterozygous and the female is homozygous.
• the male is homozygous and the female is heterozygous.
• the male is homozygous and the female is homozygous.
• the male is heterozygous and the female is heterozygous.

Tags

NGSS.HS-LS3-1

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• Not affected male
• Not affected female
• Affected male
• Affected female

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• Not affected male
• Not affected female
• Affected male
• Affected female

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does a vertical line coming down from a square and circle that are connected by horizontal line indicate?

• They are cousins
• The children
• Aunts and Uncles

What do we use pedigrees for?

• To look at families
• To make determinations about the offspring
• To track traits in families
• Nothing

The genotype of the affected son and daughter at the bottom of this pedigree...

• homozygous dominant
• homozygous recessive
• heterozygous
• Can't tell

Tags

NGSS.HS-LS3-1