cystic Fibrosis quiz

What is the most likely genotype of Individuals I-1 and I-2

• Homozygous dominant

  (AA)

• Homozygous recessive

  (aa)

• Heterozygous carriers

  (Aa)

• One is Aa, the other is AA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the Genotypes of II-1 and II-3

• AA only

• Aa only

• Either AA or Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the probability that II-3 is a carrier of the CF allele

• 0%

• 25%

• 100%

• 50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

if II-4 is not a carrier of the CF allele, what is the probability that their children will have CF?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Given that III-3 has CF, what does that tell us about II-4's genotype

• He is Homozygous Dominant

  (AA)

• He is a carrier

  (Aa)

• He is affected

• He cannot be determined

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the probability that III-1 is a carrier of the CF allele?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3