Pedigree and Analysis

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

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

• 2

• 4

• 5

• 6

Tags

NGSS.HS-LS3-1

Is this trait dominant or recessive?

• Dominant

• Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is this trait dominant or recessive?

• Dominant

• Recessive

Tags

NGSS.HS-LS3-1

The trait in the pedigree is ...?

• dominant

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the genotype of individual IV – 2?

• HH

• HY

• hh

• Hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a child shows a recessive disorder, and his brother does not, his healthy parents' genotypes are;

• Hh and Hh

• HH and HH

• Hh and HH

• hh and hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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 recessive

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

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

• the male is heterozygous and the female is heterozygous.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Cystic fibrosis is an autosomal recessive disease .

Study the pedigree what are the possible genotypes of #10? (more than one answer)

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the genotype of the mother? Hint Draw a punnett square

• BB

• bb

• Bb

• BB or Bb

Tags

NGSS.HS-LS3-1