Pedigrees and Blood Types

How many individuals are there in the 3rd generation?

• 1

• 2

• 4

• 6

Tags

NGSS.HS-LS3-1

What is the mode of inheritance shown here?

• Recessive because it "skips" a generation

• Dominant because it shows up in every generation

Tags

NGSS.HS-LS3-1

In the second generation of this pedigree, how many people are carriers of the trait? *Remember: a carrier does not have the disorder/disease, but can pass it on to his/her children.

• 1

• 2

• 3

• 5

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which individual in the first generation is a carrier?

• I-1

• I-2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

On a pedigree, this symbol represents a ----

• not affected male.

• not affected female.

• affected male.

• affected female.

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.

Tags

NGSS.HS-LS3-1

The trait this pedigree traces is recessive because it skips a generation and individuals can be carriers. What is the most likely genotype for person III-3?

• GG

• Gg

• gg

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

Which individual in the first generation is a carrier?

• The male

• The female

• individual 1

• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2