Pedigrees and Punnett Squares

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

What does an open circle represent?

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

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

Is this trait (the shaded individuals) dominant or recessive?

• dominant
• recessive

Tags

NGSS.HS-LS3-1

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

• GG
• Gg
• gg
• we cannot be 100% sure of the genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a trait SKIPS a generation, it is an indication that the trait is....

• dominant
• recessive
• incompletely dominant
• co-dominant

Tags

NGSS.HS-LS3-2

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

• HH
• Hh
• hh
• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Objective #13

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

In this pedigree, the shading represents people in the family with dark hair while the unshaded represents blondes. Is dark hair controlled by a dominant or recessive allele?

• Dominant

• Recessive

Tags

NGSS.HS-LS3-1