wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Alien Genetics Law of Segregation

Total questions: 10

Worksheet time: 15mins

Name
Class
Date
1.

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

b)

A a

c)

a a

d)

normal pigment

e)

albino - no pigment

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

b)

A a

c)

a a

d)

normal pigment

e)

albino - no pigment

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

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

a)

A A

b)

A a

c)

a a

d)

normal pigment

e)

albino - no pigment

4.

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

b)

A a

c)

a a

d)

normal pigment

e)

albino - no pigment

5.

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 ___

a)

50 % AA 50% aa

b)

50 % Aa 50% aa

c)

25 % AA 50 % Aa 25 % aa

d)

100 % albino

e)

50% normal skin 50% albino skin

6.

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 ___

a)

50 % AA 50% aa

b)

50 % Aa 50% aa

c)

25 % AA 50 % Aa 25 % aa

d)

100 % albino

e)

50% normal skin 50% albino skin

7.

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 ____

a)

Have the disease

b)

Have NO genes for the disease

c)

Have the disease and are carriers of the gene

d)

Do NOT have the disease but are carriers of the disease

8.

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 ____

a)

R r and NO sickle cell anemia

b)

NO sickle cell anemia and R r

c)

r r and sickle cell anemia

d)

sickle cell anemia and r r

9.

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?

a)

100 % sickle cell anemia

b)

25% healthy blood cells and 75 % sickle cell anemia

c)

75% healthy blood cells and 25 % sickle cell anemia

d)

25% R R . 50% . R r . 25% r r

e)

50% R R and 50% r r

10.

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?

a)

100 % sickle cell anemia

b)

25% healthy blood cells and 75 % sickle cell anemia

c)

75% healthy blood cells and 25 % sickle cell anemia

d)

25% R R . 50% . R r . 25% r r

e)

50% R R and 50% r r