wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetics and Reproduction Review

Total questions: 101

Worksheet time: 3hrs 31mins

Name
Class
Date
1.

Which of the following is a type of asexual reproduction?

a)

Binary fission

b)

Pollination

c)

Fertilization

d)

Meiosis

2.

What is one advantage of asexual reproduction?

a)

It increases genetic diversity.

b)

It requires two parents.

c)

It allows for rapid population growth.

d)

It involves complex mating rituals.

3.

Which of the following is a disadvantage of sexual reproduction?

a)

It produces genetically identical offspring.

b)

It requires more energy and time.

c)

It occurs only in plants.

d)

It is limited to aquatic environments.

4.

Which organism is an example of an asexual reproducer?

a)

Human

b)

Amoeba

c)

Dog

d)

Bird

5.

Explain why asexual reproduction might be advantageous in a stable environment.

a)

It allows for genetic variation.

b)

It ensures that offspring are well-adapted to the environment.

c)

It requires two parents.

d)

It leads to slower population growth.

6.

Compare binary fission and budding as types of asexual reproduction.

a)

Both involve the splitting of the parent organism into two equal parts.

b)

Binary fission results in two identical cells, while budding results in a new organism growing from the parent.

c)

Both require a mate to occur.

d)

Budding occurs only in bacteria.

7.

Why might asexual reproduction be less advantageous in a changing environment?

a)

It produces genetically diverse offspring.

b)

It requires more energy and resources.

c)

It results in offspring that are genetically identical to the parent.

d)

It involves complex mating behaviors.

8.

Analyze the impact of asexual reproduction on the genetic diversity of a population.

a)

It increases genetic diversity through mutation.

b)

It decreases genetic diversity because offspring are clones of the parent.

c)

It has no effect on genetic diversity.

d)

It increases genetic diversity through recombination.

9.

Which of the following is NOT a type of asexual reproduction?

a)

Fragmentation

b)

Spore formation

c)

Conjugation

d)

Vegetative propagation

10.

Identify a disadvantage of asexual reproduction in terms of disease resistance.

a)

Offspring are more resistant to diseases.

b)

Offspring have the same susceptibility to diseases as the parent.

c)

It allows for rapid adaptation to new diseases.

d)

It requires a long time to produce offspring.

11.

Evaluate the statement: "Asexual reproduction is always more efficient than sexual reproduction."

a)

True, because it requires less energy.

b)

False, because it does not allow for genetic variation.

c)

True, because it produces more offspring.

d)

False, because it requires two parents.

12.

Which of the following organisms can reproduce asexually?

a)

Frog

b)

Yeast

c)

Elephant

d)

Eagle

13.

Discuss how asexual reproduction can be beneficial for agriculture.

a)

It allows for the production of genetically diverse crops.

b)

It enables the rapid production of uniform crops.

c)

It requires less water and nutrients.

d)

It increases the need for pollinators.

14.

Predict the long-term evolutionary impact on a population that reproduces only asexually.

a)

Increased genetic diversity and adaptability.

b)

Decreased genetic diversity and potential vulnerability to changes.

c)

Rapid evolution and adaptation to new environments.

d)

Immediate extinction due to lack of reproduction.

15.

Which type of reproduction requires a mate?

a)

asexual

b)

sexual

16.

Asexual reproduction produces offspring with DNA that is _________ the parent.

a)

different from

b)

the same as

17.

How does the DNA of an asexually reproducing plant relate to its parent(s)?

a)

Its DNA is a combination of two parents’ DNA.

b)

Its DNA has mutations.

c)

Its DNA is identical to its parent.

18.

What is a potential consequence of a population relying solely on asexual reproduction for many generations?

a)

Increased genetic variation and adaptability.

b)

Immediate extinction due to lack of genetic material.

c)

Enhanced ability to adapt to new environments.

d)

Decreased genetic diversity and increased vulnerability to environmental changes.

19.

Which of the following is a characteristic of asexual reproduction?

a)

It requires two parents to produce offspring.

b)

It results in offspring that are genetically identical to the parent.

c)

It involves the fusion of gametes.

d)

It leads to increased genetic diversity.

20.

Why might asexual reproduction be advantageous in a stable environment?

a)

It leads to offspring that are less adapted to the environment.

b)

It requires complex mating behaviors.

c)

It increases genetic diversity among offspring.

d)

It allows for rapid population growth without the need for a mate.

21.

What is a common method of asexual reproduction in plants?

a)

Cross-breeding

b)

Vegetative propagation

c)

Pollination

d)

Grafting

22.

Which of the following is a benefit of asexual reproduction in agriculture?

a)

Uniformity in crop production

b)

Higher water retention

c)

Requirement of less sunlight

d)

Increased genetic diversity

23.

What is a potential risk for a population that reproduces only asexually?

a)

Faster evolutionary changes

b)

Increased susceptibility to diseases

c)

Higher genetic diversity

d)

Increased adaptability to new environments

24.

Which of the following best describes genotype?

a)

The physical appearance of an organism

b)

The genetic makeup of an organism

c)

The environment's effect on an organism

d)

The behavior of an organism

25.

Which of the following best describes phenotype?

a)

The genetic makeup of an organism

b)

The physical appearance of an organism

c)

The number of chromosomes in an organism

d)

The DNA sequence of an organism

26.

In a Punnett square, what do the letters outside the grid represent?

a)

The phenotypes of the parents

b)

The genotypes of the parents

c)

The phenotypes of the offspring

d)

The genotypes of the offspring

27.

If a homozygous dominant plant (TT) is crossed with a homozygous recessive plant (tt), what will be the genotype of the offspring?

a)

TT

b)

Tt

c)

tt

d)

Tt and tt

28.

In a monohybrid cross between two heterozygous individuals (Tt × Tt), what is the probability of obtaining a homozygous recessive offspring?

a)

14\frac{1}{4}

b)

12\frac{1}{2}

c)

34\frac{3}{4}

d)

1

29.

What is the purpose of a Punnett square?

a)

To determine the exact number of offspring

b)

To predict the probability of certain genotypes and phenotypes in offspring

c)

To measure the size of chromosomes

d)

To identify mutations in DNA

30.

Which of the following is an example of a phenotype?

a)

Bb

b)

Blue eyes

c)

BB

d)

bb

31.

What is the probability of obtaining a heterozygous offspring from a cross between two heterozygous parents (Aa × Aa)?

a)

14\frac{1}{4}

b)

12\frac{1}{2}

c)

34\frac{3}{4}

d)

1

32.

Which of the following represents a homozygous genotype?

a)

Aa

b)

Bb

c)

CC

d)

Dd

33.

In a Punnett square, what do the letters inside the grid represent?

a)

The phenotypes of the parents

b)

The genotypes of the parents

c)

The phenotypes of the offspring

d)

The genotypes of the offspring

34.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
35.

What allele combination should be placed in the missing box?

a)

AA

b)

Aa

c)

aa

d)

none of these

36.

What is the phenotype of the offspring? (A - Brown hair; a - blond hair)

a)

50% Brown Hair and 50% Blond Hair

b)

25% Brown Hair and 75% Blond Hair

c)

75% Brown Hair and 25% Blond Hair

d)

0% Brown Hair and 100% Blond Hair

37.

B = brown fur  b = white fur
In the Punnett square, what is the probability of white fur? 

a)

0%

b)

25%

c)

50%

d)

75%

38.

If a parent is homozygous for the dominant trait tall, what are his or her alleles?

a)

tt

b)

Tt

c)

TT

39.

Which of the following best describes phenotype?

a)

The behavior of an organism

b)

The genetic makeup of an organism

c)

The environment's effect on an organism

d)

The physical appearance of an organism

40.

Which of the following is NOT a benefit of asexual reproduction?

a)

Increased genetic diversity

b)

Offspring are genetically identical to the parent

c)

Only one parent is required

d)

Rapid population growth

41.

In a Punnett square, what is the probability of obtaining a homozygous dominant offspring from a cross between two heterozygous parents (Aa × Aa)?

a)

50%

b)

0%

c)

75%

d)

25%

42.

Which of the following best describes a heterozygous genotype?

a)

AA

b)

BB

c)

Aa

d)

aa

43.

What is the main advantage of sexual reproduction over asexual reproduction?

a)

It produces genetically identical offspring.

b)

It increases genetic variation in the population.

c)

It requires only one parent.

d)

It is faster than asexual reproduction.

44.

Which process is used by bacteria to reproduce asexually?

a)

Binary fission

b)

Pollination

c)

Meiosis

d)

Grafting

45.

An organisms genetic makeup, letters that represent the actual genes.

a)

Genotype

b)

phenotype

c)

Heterozygous

d)

Homozygous

46.

Having different alleles for example Bb

a)

Homozygous

b)

Heterozygous

c)

Phenotype

d)

Genotype

47.

Physical trait such as Brown Fur or Purple Flower

a)

Recessive

b)

Phenotype

c)

Genotype

d)

Dominant

48.

Having the same alleles for example BB

a)

Homozygous

b)

Heterozygous

c)

Dominant

d)

Recessive

49.

A trait that can cover another such as purple flower over white flower. Uppercase letters represent this allele.

a)

Genotype

b)

Allele

c)

Dominant

d)

Recessive

50.

A trait that can be covered. White flower can be covered by Purple flower. Lower case letters represent this allele.

a)

Dominant

b)

Recessive

c)

Homozygous

d)

gene

51.
Dominant or recessive?
tt
a)
Dominant 
b)
Recessive
52.

Dominant or recessive?
Tt

a)
Dominant 
b)
Recessive
53.

B = brown fur  b = white fur
In the punnett square, what is the percent chance for white fur? 

a)
0%
b)
25%
c)
50%
d)
75%
54.

Brown eyes (B) tend to be dominant whereas blue eyes (b) tend to be recessive. Parents with heterozygous genes want to know: what is the likelihood of them having a child with blue eyes?

a)

0%

b)

25%

c)

75%

d)

100%

55.

Select TWO answers. Which are the missing parts?

a)

BB

b)

bb

c)

Bb

56.

Which of the following must be the father's genotype?

a)

RR

b)

Rr

c)

rr

57.
Identify the homozygous dominant genotype:
a)
FF
b)
Ff
c)
ff
58.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
59.

What are the alleles of highlighted box?

(a)  

60.

What are the alleles of highlighted box?

(a)  

61.

What are the alleles of highlighted box?

(a)  

62.

Why do scientist use Punnett Squares?

a)

A tool scientist use to to see alleles

b)

A tool scientist use to see which alleles are dominant

c)

A tool scientist use to determine possible genotypes for offspring

63.

Which of the following is a homozygous recessive genotype?

a)

HH

b)

dd

c)

Aa

64.

Which of the following is a heterozygous genotype?

a)

Gg

b)

UU

c)

pp

65.

What is a segment of a DNA strand that codes for a trait?

a)

gene

b)

ribosomes

c)

osmosis

d)

cell wall

66.

How many copies of each gene do you receive from your parents?

a)

0

b)

1

c)

2

d)

3

67.

What are the two different versions of the same gene (example: tall or short)?

a)

chromosomes

b)

DNA

c)

mitochondria

d)

alleles

68.

Capital letters represent ______ alleles.

a)

Dominant

b)

Recessive

c)

Hidden

d)

Mutation

69.

Lowercase letters represent ______ alleles.

a)

Dominant

b)

Recessive

c)

Hidden

d)

Mutation

70.

The letter combination (ex: Aa, AA, or aa) is the _________.

a)

phenotype

b)

diffusion

c)

genotype

d)

atomic number

71.

The traits that can be seen (observed) are the _______.

a)

electron cloud

b)

genotype

c)

photosynthesis

d)

phenotype

72.

Freckles (F) are dominant to no freckles (f). Which two genotypes represent freckles? Select two.

a)

FF

b)

Ff

c)

ff

73.

Freckles (F) are dominant to no freckles (f). Which genotype represents no freckles?

a)

FF

b)

Ff

c)

ff

74.

Dimples (D) are dominant to no dimples (d). Which two genotypes represent dimples? Select two.

a)

DD

b)

Dd

c)

dd

75.

Dimples (D) are dominant to no dimples (d). Which genotype represents no dimples?

a)

DD

b)

Dd

c)

dd

76.

Widow's peak hairline (A) is dominant to straight (a). If a person has the genotype Aa, what would their phenotype be?

a)

widow's peak hairline

b)

straight hairline

77.

Widow's peak hairline (A) is dominant to straight (a). If a person has the genotype aa, what would their phenotype be?

a)

widow's peak hairline

b)

straight hairline

78.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
79.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
80.

Purple is dominant to white for flower color in pea plants. If a purple flowered pea plant (PP) is crossed with a white flowered plant (pp), what color will the offspring be?

a)

25% white, 75% purple

b)

50% white, 50% purple

c)

100% purple

d)

100% white

81.

Black fur is dominant to yellow fur in Labrador retrievers. If two heterozygous Labradors are crossed, what would the probable fur color of their offspring be?

a)

100% black

b)

100% yellow

c)

50% yellow, 50% black

d)

75% black, 25% yellow

82.

JoAnne owns a horse ranch with new foals (baby horses). There are three black foals and one chestnut foal. Black coat color (B) is dominant to chestnut coat color (b).

What MOST likely are the genotypes of the parents?

a)

BB x BB

b)

Bb x bb

c)

Bb x Bb

d)

BB x Bb

83.

Freckles are dominant (F) and no freckles are recessive (f). Two parents' genotypes are crossed and their offspring have a 3/4 chance of having freckles and 1/4 chance of not having freckles. Which Punnett square shows the cross and its offspring?

a)

b)

c)

d)

84.

Cystic fibrosis is a recessive genetic disorder. If only one gene is present, an individual is a carrier. What is the probability of two healthy cystic fibrosis carriers having a child that has the disease?

a)
25%
b)
75%
c)

100%

d)

0%

85.

Which genotype represents a homozygous recessive individual?

a)

AA

b)

Aa

c)

aa

d)

Ab

86.

What is the probability of producing a heterozygous offspring from a cross between AA and aa parents?

a)

100%

b)

0%

c)

25%

d)

50%

87.

Which genotype represents a heterozygous individual?

a)

Aa

b)

aa

c)

Ab

d)

AA

88.

Which of the following is NOT an advantage of asexual reproduction?

a)

Requires only one parent

b)

Genetic diversity among offspring

c)

Offspring are genetically identical to the parent

d)

Rapid population growth

89.

What is the probability of obtaining a homozygous recessive offspring from a cross between two heterozygous parents (Bb × Bb)?

a)

75%

b)

50%

c)

25%

d)

0%

90.

Which process results in offspring that are genetically identical to the parent?

a)

Genetic recombination

b)

Cross-pollination

c)

Sexual reproduction

d)

Asexual reproduction

91.

What do the letters inside a Punnett square represent?

a)

The possible genotypes of the offspring

b)

The number of chromosomes

c)

The phenotypes of the parents

d)

The environment's effect on traits

92.

Which of the following best describes phenotype?

a)

The physical appearance of an organism

b)

The process of cell division

c)

The genetic makeup of an organism

d)

The number of chromosomes in a cell

93.

Which of the following best describes a homozygous genotype?

a)

AA

b)

Aa

c)

Ab

d)

Ba

94.

What is the main advantage of sexual reproduction over asexual reproduction?

a)

Greater genetic variation

b)

Requires only one parent

c)

Faster population growth

d)

Offspring identical to parent

95.

Which term refers to the physical expression of a genetic trait?

a)

Chromosome

b)

Allele

c)

Phenotype

d)

Genotype

96.

Which of the following is true about sexual reproduction?

a)

It produces offspring that are genetically identical to the parent.

b)

It involves the fusion of gametes from two parents.

c)

It requires only one parent.

d)

It decreases genetic variation in a population.

97.

What term describes an organism with two different alleles for a trait?

a)

Homozygous

b)

Heterozygous

c)

Recessive

d)

Dominant

98.

In a monohybrid cross between two homozygous parents (AA × aa), what will be the genotype of all offspring?

a)

Both AA and aa

b)

aa

c)

AA

d)

Aa

99.

What is the main advantage of sexual reproduction over asexual reproduction?

a)

It produces genetically identical offspring.

b)

It increases genetic diversity among offspring.

c)

It requires only one parent.

d)

It is faster than asexual reproduction.

100.

Which term describes the physical expression of a genetic trait?

a)

Chromosome

b)

Phenotype

c)

Genotype

d)

Allele

101.

What is the probability of producing a homozygous recessive offspring from a cross between two heterozygous parents?

a)

25%

b)

0%

c)

75%

d)

50%

Similar Resources on Wayground

Circulatory, Digestive, Respiratory, and Excretory Systems

98 questions

Circulatory, Digestive, Respiratory, and Excretory Systems

quiz

Worksheet

•

7th - 9th Grade

Science 5 part 6

100 questions

Science 5 part 6

quiz

Worksheet

•

5th Grade - University

Science 7 LT 1 Revision S2

100 questions

Science 7 LT 1 Revision S2

quiz

Worksheet

•

7th Grade

ACP Review Food, Energy, Photosynthesis

102 questions

ACP Review Food, Energy, Photosynthesis

quiz

Worksheet

•

KG - University

Chapter 4 - Health Matters

100 questions

Chapter 4 - Health Matters

quiz

Worksheet

•

5th - 12th Grade

Classification Review

100 questions

Classification Review

quiz

Worksheet

•

7th Grade

99 questions, but me mastering ain't one

99 questions

99 questions, but me mastering ain't one

quiz

Worksheet

•

7th Grade

PMR MTs Waha

100 questions

PMR MTs Waha

quiz

Worksheet

•

7th - 9th Grade