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Notes: Introduction to Genetics

Total questions: 90

Worksheet time: 52mins

Name
Class
Date
1.

Who is known as the "Father of Genetics"?

a)

Gregor Mendel

b)

Charles Darwin

c)

Isaac Newton

d)

Albert Einstein

2.

What type of plants did Gregor Mendel use for his experiments?

a)

Pea plants

b)

Corn plants

c)

Sunflower plants

d)

Tomato plants

3.

What are recessive traits?

a)

Traits hidden by dominant traits

b)

Traits that are always visible

c)

Traits that are not inherited

d)

Traits that are only in plants

4.

In what year did Mendel start his experiments with peas?

a)

1856

b)

1900

c)

1800

d)

1750

5.

What did Mendel discover about the offspring of tall and short pea plants?

a)

They were all tall

b)

They were all short

c)

They were all medium height

d)

They were all different heights

6.

What did Mendel notice about the seeds of pea plants?

a)

Some were round and yellow, others wrinkled and green

b)

All were round and yellow

c)

All were wrinkled and green

d)

Some were square and blue

7.

What did Mendel's curiosity lead him to experiment with?

a)

Garden peas

b)

Corn

c)

Wheat

d)

Rice

8.

What did Mendel notice about the height of pea plants before he crossed them?

a)

Some were tall, some were short

b)

All were tall

c)

All were short

d)

All were medium height

9.

What did Mendel's experiments help to establish in science?

a)

The first recorded study of how traits passed from one generation to the next

b)

The first recorded study of plant growth

c)

The first recorded study of animal behavior

d)

The first recorded study of weather patterns

10.

What did Mendel's work with pea plants help to explain?

a)

The inheritance of traits

b)

The growth of plants

c)

The color of flowers

d)

The size of seeds

11.

What did Mendel's experiments show about the offspring of two plants?

a)

They inherit traits from both parents

b)

They inherit traits from only one parent

c)

They do not inherit any traits

d)

They inherit traits from the environment

12.

What did Mendel's work help to establish about recessive traits?

a)

They are hidden by dominant traits

b)

They are always visible

c)

They are always dominant

d)

They do not exist

13.

What did Mendel's work help to establish about the study of genetics?

a)

It is the study of how traits are inherited

b)

It is the study of plant growth

c)

It is the study of animal behavior

d)

It is the study of weather patterns

14.

What did Mendel's work help to establish about the inheritance of traits?

a)

It can be explained using mathematics

b)

It cannot be explained

c)

It is only in plants

d)

It is only in animals

15.

What did Mendel's work help to establish about the use of scientific methods?

a)

They are important for studying heredity

b)

They are not important

c)

They are only for plants

d)

They are only for animals

16.

What does "homozygous" mean?

a)

Having two different alleles for a trait.

b)

Having two identical alleles for a trait.

c)

Having no alleles for a trait.

d)

Having one allele for a trait.

17.

What does "heterozygous" mean?

a)

Having two identical alleles for a trait.

b)

Having two different alleles for a trait.

c)

Having no alleles for a trait.

d)

Having one allele for a trait.

18.

What is the result of having a dominant and a recessive allele for a trait?

a)

The recessive trait will show.

b)

The dominant trait will show.

c)

Neither trait will show.

d)

Both traits will show equally.

19.

Who is famous for experiments on pea plants regarding dominant and recessive genes?

a)

Charles Darwin.

b)

Gregor Mendel.

c)

Albert Einstein.

d)

Isaac Newton.

20.

Gregor Mendel performed experiments on __________________________.

a)

Pea plants

b)

Corn plants

c)

Tomato plants

d)

Wheat plants

21.

Mendel noticed that pea plants have many different traits. Traits are __________________________.

a)

Variable

b)

Constant

c)

Identical

d)

Uniform

22.

Mendel discovered that crossing two plants with different traits resulted in offspring that looked like one of the parents. Crossing means __________________________.

a)

Combining

b)

Separating

c)

Dividing

d)

Isolating

23.

Gregor Mendel is so important to the study of genetics, that he is called the __________________________.

a)

Father of Genetics

b)

Mother of Genetics

c)

Uncle of Genetics

d)

Brother of Genetics

24.

You have __________ alleles, or versions of a trait, for each gene.

a)

One

b)

Two

c)

Three

d)

Four

25.

Scientists use a __________________ letter to show that a gene is dominant.

a)

Uppercase

b)

Lowercase

c)

Italicized

d)

Bold

26.

What is a genotype?

a)

The letters used to explain an allele

b)

How an organism looks or behaves based on the inherited trait

c)

Genetic information that is stored in the nucleus

d)

The study of how traits are inherited

27.

For the genotype ii, is it homozygous or heterozygous?

a)

Homozygous

b)

Heterozygous

c)

Neither

d)

Both

28.

For the genotype DD, is it homozygous or heterozygous?

a)

Homozygous

b)

Heterozygous

c)

Neither

d)

Both

29.

For the genotype Pp, is it homozygous or heterozygous?

a)

Homozygous

b)

Heterozygous

c)

Neither

d)

Both

30.

What phenotype would be seen for the genotype tt in bobtails (recessive) in cats?

a)

Long tails

b)

bob tails

c)

No tails

d)

Curly tails

31.

Homozygous dominant

a)

FF

b)

Ff

c)

ff

32.

Homozygous recessive

a)

FF

b)

Ff

c)

ff

33.

Heterozygous

a)

FF

b)

Ff

c)

ff

34.

No hair on fingers (h) is recessive to hair on fingers (H).

State the phenotype for hh.

a)

Hair on fingers

b)

No hair on fingers

35.

No hair on fingers (h) is recessive to hair on fingers (H).

State the phenotype for HH.

a)

Hair on fingers

b)

No hair on fingers

36.

Cleft chin (E) is dominant to smooth chin (e).

State the genotype(s) for cleft chin.

a)

EE only

b)

ee only

c)

Ee only

d)

Both EE and Ee

37.

Cleft chin (E) is dominant to smooth chin (e).

State the genotype(s) for smooth chin.

a)

EE only

b)

ee only

c)

Ee only

d)

Both Ee and ee

38.

Curly hair (H) is dominant to straight hair (h).

State the genotype(s) for curly hair.

a)

HH only

b)

hh only

c)

Hh only

d)

Both HH and Hh

39.

Curly hair (H) is dominant to straight hair (h).

State the genotype(s) for straight hair.

a)

HH only

b)

hh only

c)

Hh only

d)

Both hh and Hh

40.

Used to show recessive alleles

a)

captial letters

b)

lowercase letters

c)

numbers

41.

Used to show dominant alleles

a)

captial letters

b)

lowercase letters

c)

numbers

42.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
43.

How do you classify the following genotype : Mm

a)

Homozygous Dominant

b)

Homozygous Recessive

c)

Heterozygous

44.

If Purple Flowers (P) are dominant over white flowers (p), what would the phenotype be for a Pp genotype?

a)

Purple flowers

b)

White flowers

c)

Not enough information

45.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
46.
Hair colour is an example of
a)
genotype
b)
phenotype
47.

Curly hair

a)

Genotype

b)

Phenotype

48.

Blue eyes

a)

Genotype

b)

Phenotype

49.

Which refers to the different form of genes representing a certain trait?

a)

allele

b)

chromosome

c)

hybrid

d)

locus

50.

TT an example of a....

a)

Genotype

b)

Phenotype

51.

Tt an example of a....

a)

Genotype

b)

Phenotype

52.

tt an example of a....

a)

Genotype

b)

Phenotype

53.

A flower's red color an example of a....

a)

Genotype

b)

Phenotype

54.

A dog's soft fur an example of a....

a)

Genotype

b)

Phenotype

55.

The genotype TT is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

56.

The genotype Tt is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

57.

The genotype tt is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

58.

The genotype GG is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

59.

The genotype Gg is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

60.

The genotype gg is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

61.

If red color is dominant in flowers, what would a homozygous dominant flower's genotype look like?

a)

RR

b)

Rr

c)

rr

62.

If red color is dominant in flowers, what would a heterozygous flower's genotype look like?

a)

RR

b)

Rr

c)

rr

63.

If white color is recessive in flowers, what would a homozygous recessive flower's genotype look like?

a)

RR

b)

Rr

c)

rr

64.

Hairy is dominant to hairless. A guinea pig who is hairless will have the genotype of?

a)

HH

b)

Hh

c)

hh

d)

HH or Hh

65.

Hairy is dominant to hairless. A guinea pig who is hairy will have the genotype of?

a)

HH

b)

Hh

c)

hh

d)

HH or Hh

66.

Yellow is dominant to Blue what is a possible genotype for someone who is blue?

a)

YY

b)

Yy

c)

yy

d)

YY or Yy

67.

Yellow is dominant to Blue what is a possible genotype for someone who is yellow?

a)

YY

b)

Yy

c)

yy

d)

YY or Yy

68.

Yellow is dominant to Blue what is a possible genotype for someone who is heterozygous for yellow?

a)

YY

b)

Yy

c)

yy

d)

YY or Yy

69.

Yellow is dominant to Blue what is a possible genotype for someone who is homozygous for yellow?

a)

YY

b)

Yy

c)

yy

d)

YY or Yy

70.

TT an example of a....

a)

Genotype

b)

Phenotype

71.

Tt an example of a....

a)

Genotype

b)

Phenotype

72.

tt an example of a....

a)

Genotype

b)

Phenotype

73.

A flower's red color an example of a....

a)

Genotype

b)

Phenotype

74.

A dog's soft fur an example of a....

a)

Genotype

b)

Phenotype

75.

A cat's calico fur an example of a....

a)

Genotype

b)

Phenotype

76.

The genotype TT is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

77.

The genotype Tt is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

78.

The genotype tt is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

79.

The genotype GG is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

80.

The genotype Gg is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

81.

The genotype gg is considered to be....

a)

Homozygous dominant

b)

Heterozygous

c)

Homozygous recessive

82.

If red color is dominant in flowers, what would a homozygous dominant flower's genotype look like?

a)

RR

b)

Rr

c)

rr

83.

If red color is dominant in flowers, what would a heterozygous flower's genotype look like?

a)

RR

b)

Rr

c)

rr

84.

If white color is recessive in flowers, what would a homozygous recessive flower's genotype look like?

a)

RR

b)

Rr

c)

rr

85.

Match each genotype to its description

a)

HOMOZYGOUS DOMINANT

1.

RR

b)

HETEROZYGOUS

2.

Rr

c)

HOMOZYGOUS

RECESSIVE

3.

rr

86.

Match the following genotypes and allelles.

a)

RR

1.

Homozygous Dominant

b)

Bb

2.

Heterozygous

c)

dd

3.

Homozygous Recessive

d)

G

4.

Dominant Allele

e)

g

5.

Recessive Allele

87.

The expression of a trait (what you see) in an organism is called​ (a)  

Choose from the below words
phenotype.
genotype.
homozygous.
heterozygous.
88.

Different forms of a gene are called (a)  

Choose from the below words
alleles.
hybrids.
dominant factors.
recessive factors.
89.

Match the following

a)

Homozygous Dominant

1.

DD

b)

Heterozygous

2.

Dd

c)

Homozygous Recessive

3.

dd

90.

Match the following

a)

Homozygous dominant

1.

TT

b)

Heterozygous

2.

Tt

c)

Homozygous recessive

3.

tt

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