Pedigree Review

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

How are individuals III-2 and II-4 related?

• Cousins
• Dad and Daughter
• Uncle and Niece
• Grandpa and Granddaughter

Tags

NGSS.HS-LS3-1

What type of heredity is shown in the pedigree?
(hint: check your notes - "modes of inheritance")

• Sex-Linked Dominant
• Sex-Linked Recessive
• Autosomal Dominant
• Autosomal Recessive 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Does this pedigree show a dominant or recessive trait?

• Dominant
• Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• must be homozygous dominant

• must be homozygous recessive

• could be heterozygous

If this pedigree shows the inheritance of a dominant trait, then what must be the genotype of the two affected kids in the 3rd generation?

• DD

• Dd

• dd

Why do all the daughters in Generation II carry the colorblind gene?

• Because mom passed on the gene.
• Because dad passed on the X chromosome.
• Because their brother has it.
• Because their brother gave it to them.

Tags

NGSS.HS-LS3-1

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

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