Alien Genetics Law of Segregation

Skin is often different colors due to the type & amount of pigment in your skin. The genetic condition albinism {albino} is when your body does not make pigment for your skin or eyes.

Dominant - Normal skin pigment - A

Recessive – no skin pigment {albino} – a

Paul has a recessive condition called albinism. His genotype is ___

• A A

• A a

• a a

• normal pigment

• albino - no pigment

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Skin is often different colors due to the type & amount of pigment in your skin. The genetic condition albinism {albino} is when your body does not make pigment for your skin or eyes.

Dominant - Normal skin pigment - A

Recessive – no skin pigment {albino} – a

Paul has a recessive condition called albinism. His phenotype is ___

• A A

• A a

• a a

• normal pigment

• albino - no pigment

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Skin is often different colors due to the type & amount of pigment in your skin. The genetic condition albinism {albino} is when your body does not make pigment for your skin or eyes.

Dominant - Normal skin pigment - A

Recessive – no skin pigment {albino} – a

Paul marries Sue who is heterozygous for the condition. Her genotype is ___

• A A

• A a

• a a

• normal pigment

• albino - no pigment

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Skin is often different colors due to the type & amount of pigment in your skin. The genetic condition albinism {albino} is when your body does not make pigment for your skin or eyes.

Dominant - Normal skin pigment - A

Recessive – no skin pigment {albino} – a

Paul marries Sue who is heterozygous for the condition. Her phenotype is ___

• A A

• A a

• a a

• normal pigment

• albino - no pigment

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Skin is often different colors due to the type & amount of pigment in your skin. The genetic condition albinism {albino} is when your body does not make pigment for your skin or eyes.

Dominant - Normal skin pigment - A

Recessive – no skin pigment {albino} – a

Complete a punnett square for the baby of Paul and Sue.

(Remember: Paul has albinism and Sue is heterozygous)

The probability for their baby’s genotype is ___

• 50 % AA 50% aa

• 50 % Aa 50% aa

• 25 % AA 50 % Aa 25 % aa

• 100 % albino

• 50% normal skin 50% albino skin

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Skin is often different colors due to the type & amount of pigment in your skin. The genetic condition albinism {albino} is when your body does not make pigment for your skin or eyes.

Dominant - Normal skin pigment - A

Recessive – no skin pigment {albino} – a

Complete a punnett square for the baby of Paul and Sue.

(Remember: Paul has albinism and Sue is heterozygous)

The probability for their baby’s phenotype is ___

• 50 % AA 50% aa

• 50 % Aa 50% aa

• 25 % AA 50 % Aa 25 % aa

• 100 % albino

• 50% normal skin 50% albino skin

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Sickle cell anemia is a recessive genetic condition where the red blood cells are misshapen and cannot carry enough oxygen to the cells of the body.

R – normal red blood cell r- sickle cel

John and Nancy are both heterozygous. This means they ____

• Have the disease

• Have NO genes for the disease

• Have the disease and are carriers of the gene

• Do NOT have the disease but are carriers of the disease

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Sickle cell anemia is a recessive genetic condition where the red blood cells are misshapen and cannot carry enough oxygen to the cells of the body.

R – normal red blood cell r- sickle cell

John and Nancy are both heterozygous. This means their phenotypes are ____ and their genotypes are ____

• R r and NO sickle cell anemia

• NO sickle cell anemia and R r

• r r and sickle cell anemia

• sickle cell anemia and r r

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Sickle cell anemia is a recessive genetic condition where the red blood cells are misshapen and cannot carry enough oxygen to the cells of the body.

R – normal red blood cell r- sickle cell

John and Nancy are both heterozygous and they are expected a baby. What is the probable phenotype for their child?

• 100 % sickle cell anemia

• 25% healthy blood cells and 75 % sickle cell anemia

• 75% healthy blood cells and 25 % sickle cell anemia

• 25% R R . 50% . R r . 25% r r

• 50% R R and 50% r r

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Sickle cell anemia is a recessive genetic condition where the red blood cells are misshapen and cannot carry enough oxygen to the cells of the body.

R – normal red blood cell r- sickle cell

John and Nancy are both heterozygous and they are expected a baby. What is the probable genotype of their child?

• 100 % sickle cell anemia

• 25% healthy blood cells and 75 % sickle cell anemia

• 75% healthy blood cells and 25 % sickle cell anemia

• 25% R R . 50% . R r . 25% r r

• 50% R R and 50% r r

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2