Karyotypes and Pedigrees

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

What is this?

• Pedigree

• Karyotype

• Venn diagram

• Punnett Square

Tags

NGSS.HS-LS3-1

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

• 2

• 4

• 5

• 6

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

• Brother and sister

• Dad and daughter

• Uncle and niece

• Grandfather and granddaughter

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

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

NGSS.HS-LS3-2

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

Which individual in the first generation is a carrier?

• I-1

• I-2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2