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Genetic Mixed Practice

Total questions: 58

Worksheet time: 3hrs 5mins

Name
Class
Date
1.

The genotype Bb is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

2.

The genotype bb is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

3.

The genotype BB is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

4.

The genotype Hh is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

5.

The genotype GG is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

6.

The genotype Nn is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

7.

The genotype ee is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

8.

The genotype rr is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

9.

The genotype Rr is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

10.

Sally has the eye alleles Bb. What would her phenotype be ?

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

d)

blue eyes

e)

brown eyes

11.

Kim has the eye alleles BB. What would her phenotype be ?

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

d)

blue eyes

e)

brown eyes

12.

Sue has the eye alleles bb. What would her phenotype be ?

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

d)

blue eyes

e)

brown eyes

13.

Bob's Genotype for hair is ...

a)

homozygous dominant

b)

heterozygous

c)

red

d)

brown

e)

homozygous recessive

14.

Bill's Genotype for hair is ...

a)

homozygous dominant

b)

heterozygous

c)

red

d)

brown

e)

homozygous recessive

15.

Bill's Genotype for eyes is ...

a)

homozygous dominant

b)

heterozygous

c)

blue

d)

brown

e)

homozygous recessive

16.

Bob''s Genotype for eyes is ...

a)

homozygous dominant

b)

heterozygous

c)

blue

d)

brown

e)

homozygous recessive

17.

Bill's phenotype for eyes is ...

a)

homozygous dominant

b)

heterozygous

c)

blue

d)

brown

e)

homozygous recessive

18.

Bob's phenotype for eyes is ...

a)

homozygous dominant

b)

heterozygous

c)

blue

d)

brown

e)

homozygous recessive

19.

Bob's phenotype for ears is ...

a)

homozygous dominant

b)

heterozygous

c)

lobed ears

d)

attached ears

e)

homozygous recessive

20.

Bill's phenotype for ears is ...

a)

homozygous dominant

b)

heterozygous

c)

lobed ears

d)

attached ears

e)

homozygous recessive

21.

Bill's genotype for ears is ...

a)

homozygous dominant

b)

heterozygous

c)

lobed ears

d)

attached ears

e)

homozygous recessive

22.

Bob's genotype for ears is ...

a)

homozygous dominant

b)

heterozygous

c)

lobed ears

d)

attached ears

e)

homozygous recessive

23.

Bob's phenotype for hair is ...

a)

homozygous dominant

b)

heterozygous

c)

red

d)

brown

e)

homozygous recessive

24.

Bill's phenotype for hair is ...

a)

homozygous dominant

b)

heterozygous

c)

red

d)

brown

e)

homozygous recessive

25.

What is his phenotype for eye colour

a)

Brown

b)

Blue

c)

BB

d)

bb

e)

Bb

26.

What is his phenotype for eye colour

a)

Brown

b)

Blue

c)

BB or Bb

d)

bb

e)

red

27.

What is his genotype for eye colour

a)

Brown

b)

Blue

c)

BB or Bb

d)

bb

e)

red

28.

What is his genotype for eye colour

a)

Brown

b)

Blue

c)

BB

d)

bb

e)

Bb

29.

The genotype Aa is ...

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

30.

What is the mothers genotype ?

a)

homozygous dominant

b)

homozygous recessive

c)

Heterozygous

d)

Blue eyes

e)

Brown eyes

31.

What is the chance this couple will have a blue eyed baby?

a)

25%

b)

50%

c)

75%

d)

100%

e)

0%

32.

What is the chance this couple will have a brown eyed baby?

a)

25%

b)

50%

c)

75%

d)

100%

e)

0%

33.

What is the chance this couple will have a brown eyed baby?

a)

1/4

b)

2/4

c)

3/4

d)

4/4

e)

0/4

34.

What is the mother's phenotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

35.

What is the father's phenotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

36.

What is the father's genotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

37.

What is the mother's genotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

38.

What is the father's genotype ?

a)

homozygous dominant

b)

homozygous recessive

c)

Heterozygous

d)

Blue eyes

e)

Brown eyes

39.

What is the father's phenotype ?

a)

homozygous dominant

b)

homozygous recessive

c)

Heterozygous

d)

Blue eyes

e)

Brown eyes

40.

What is the mother's phenotype ?

a)

homozygous dominant

b)

homozygous recessive

c)

Heterozygous

d)

Blue eyes

e)

Brown eyes

41.

What is the mother's phenotype ?

a)

homozygous dominant

b)

homozygous recessive

c)

Heterozygous

d)

Blue eyes

e)

Brown eyes

42.

What is the mother's phenotype ?

a)

homozygous dominant

b)

homozygous recessive

c)

Heterozygous

d)

Blue eyes

e)

Brown eyes

43.

What is the mother's genotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

44.

What is the father's genotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

45.

What is the father's phenotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

46.

What is the chance this couple will have a brown eyed baby?

a)

25%

b)

50%

c)

75%

d)

100%

e)

0%

47.

What is the chance this couple will have a heterozygous baby?

a)

25%

b)

50%

c)

75%

d)

100%

e)

0%

48.

What is the father's phenotype for eye colour?

a)

brown eyes

b)

blue eyes

c)

homozygous dominant (BB)

d)

homozygous recessive (bb)

e)

Heterozygous (Bb)

49.

A mother (Bb) and a father (BB) had a baby. What is the chance the baby is blue eyed?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

50.

A mother (bb) and a father (Bb) had a baby. What is the chance the baby is blue eyed?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

51.

A mother (bb) and a father (Bb) had a baby. What is the chance the baby is brown eyed?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

52.

A mother (bb) and a father (BB) had a baby. What is the chance the baby is brown eyed?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

53.

A mother (bb) and a father (BB) had a baby. What is the chance the baby is heterozygous?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

54.

A mother (Ee) and a father (Ee) had a baby. What is the chance the baby is homozygous dominant?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

55.

A mother (Ee) and a father (Ee) had a baby. What is the chance the baby is homozygous recessive?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

56.

A mother (Bb) and a father (Bb) had a baby. What is the chance the baby is brown eyed?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

57.

A mother (AA) and a father (Aa) had a baby. What is the chance the baby is hetrozygous?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

58.

A mother (Nn) and a father (Nn) had a baby. What is the chance the baby is homozygous dominant?

a)

0% 0/4

b)

25% 1/4

c)

50% 2/4

d)

75% 3/4

e)

100% 4/4

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