Genetics

Choose the Heterozygous Genotype

• DD

• dd

• Dd

Choose the Homozygous Dominant Genotype

• DD

• dd

• Dd

Choose the Homozygous Recessive Genotype

• DD

• dd

• Dd

Two parents are both Heterozygous for an inherited genetically recessive disease. What is the probability that the child will have the disease?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A parent is Heterozygous for brown and blue eyes. The second parent is Homozygous Recessive for blue eyes. What is the probability that their child will have blue eyes?

• 0%

• 25%

• 75%

• 50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Find the ratio for the Genotypes that exist for an inherited trait from two heterozygous parents.

• 1:1

• 2:2

• 1:2:1

• 3:1

Find the ratio for the Genotypes that exist for an inherited trait from one parent who is Homozygous Recessive, and the other parent who is Heterozygous for the same trait.

• 1:1

• 5:1

• 1:2:1

• 3:1

In Mussels, Brown shells are dominant over the recessive blue trait. If a Homozygous brown mussel is crossed with a blue mussel, what is the probability the resulting mussel will be brown?

• 25%

• 75%

• 100%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Explain how the Genotypes RR and Rr result in the same phenotype.

Tags

NGSS.HS-LS3-1

Where are Genotypes found SPECIFICALLY in living things?

• Blood

• DNA

• Cells

Tags

NGSS.HS-LS3-1