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Genetics Review Quiz

Total questions: 127

Worksheet time: 2hrs 7mins

Name
Class
Date
1.

Which of the following allele pairs is heterozygous?

a)

RR

b)

Qq

c)

ss

2.

Which of the following allele pairs is homozygous?

a)

Ee

b)

BB

c)

Tt

3.

Which of the following allele pairs is homozygous recessive?

a)

RR

b)

Rr

c)

rr

4.

Look at the punnett square shown. What allele pair would replace the "?"

a)

WW

b)

Ww

c)

ww

5.

Look at the punnett square shown. What is the probability that the offspring will show the dominant trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

6.

Look at the punnett square. What is the probability of the offspring showing the recessive trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

7.

Look at the punnett square. What is the probability that the offspring's alleles will be homozygous dominant?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

8.

Look at the punnett square. What is the probability that the offspring would have homozygous alleles for the trait?

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

9.

Webbed fingers (F) are dominant over nonwebbed fingers (f). If parent A (Ff) and parent B (Ff) have children, which of the following are true? Select all that apply

a)

Phenotypes: 75% chance of having webbed fingers and 25% chance of not.

b)

Phenotypes: 100% chance of having webbed fingers and 0% chance of not.

c)

Phenotypes: 25% chance of having webbed fingers and 75% chance of not

d)

Genotypes: FF 25%, Ff 50%, ff 25%

e)

Genotypes: FF 75%, Ff 50%, ff 25%

10.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
11.

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%

12.

Two heterozygous (Tt) tall pea plants are crossed. Tall (T) is dominant. Short (t) is recessive. Which is the likelihood of each phenotype?

a)

50% tall and 50% short

b)

75% tall and 25% short

c)

100% short

13.

Which of the following would complete this Punnett Square?

a)

aa

b)

AA

c)

Aa

14.

Brown eyes are dominant (B) to blue (b). If Parent A (bb) and Parent B (Bb) have a child, what is the likelihood that the child will have brown eyes?

a)

25%

b)

50%

c)

75%

d)

100%

15.

Select TWO answers. Which are the missing parts?

a)

BB

b)

bb

c)

Bb

16.

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

a)

RR

b)

Rr

c)

rr

17.

If the father is homozygous recessive for dimples, what must the mother be for this Punnett Square?

a)

Dd (Heterozygous)

b)

DD (Homozygous Dominant)

c)

dd (Homozygous Recessive)

18.

Different versions of a trait (tall or short, white or purple) are called

a)

alleles

b)

traits

c)

versions

d)

genes

19.

Which of the following shows a dominant trait?

a)

aa

b)

Bb

c)

cc

d)

dd

20.

The only way for a recessive trait to appear is for an organism to have

a)

two dominant alleles

b)

two recessive alleles

c)

one dominant allele and one recessive allele

21.

Which of the following is/are considered to be purebreds? Select all that apply.

a)

AA

b)

bb

c)

Dd

d)

ee

22.

Which of the following is considered to be Heterozygous?

a)

AA

b)

aa

c)

Aa

23.

In pea plants, purple is dominant to white. If a plant has a genotype of Pp, what is its phenotype?

a)

purple

b)

white

c)

purple and white

24.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
25.

Which of the following is the correct definition for a genotype?

a)

The physical expression of a gene. (Characteristics)

b)

A strand of DNA made up of multiple mutations.

c)

The expression of one of your parents traits.

d)

The set of genes in our DNA which is responsible for a particular trait.

26.

Which of the following is the correct definition for a phenotype?

a)

The physical expression of a gene. (Characteristics)

b)

A strand of DNA made up of multiple mutations.

c)

The expression of one of your parents traits.

d)

The set of genes in our DNA which is responsible for a particular trait.

27.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
28.
Leonardo bet his friend Olivet that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Olivet said they can have a blue-eyed sea monster.
Who wins the bet?
a)
Leonardo
b)
Olivet
c)
Both
d)
Neither
29.
What is the probability of a purple-horned unicorn if a heterozygous pink-horned unicorn is crossed with a heterozygous pink-horned unicorn?
a)
0%
b)
25%
c)
50%
d)
75%
30.
In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?
a)
It is BB.
b)
It is Bb
c)
It is brown
d)
It is bb.
31.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
32.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
33.

The karyotype diagram below represents a human male. Chromosomal analysis of this karyotype reveals the abnormality in this karyotype is:

a)

a missing X chromosome

b)

a missing Y chromosome

c)

an extra 21 chromosome

d)

missing chromosome #9

34.

What is the biological gender of this individual?

a)

Male

b)

Female

c)

Cannot be determined

35.

Based on the karyotype, can you guess the name of this genetic disorder?

a)

Curvy 3

b)

Jacob's syndrome

c)

Triple X

d)

Superwoman syndrome

36.

This disorder is called "Cry of the cat", can you find the chromosomal mutation?

a)

There are too many chromosomes

b)

They are missing the Y chromosome

c)

Chromosome 1 is bent

d)

Chromosome 5 is too short (missing a piece)

37.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
38.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
39.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
40.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
41.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
42.
What does an open circle represent?
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
43.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
44.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
45.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
46.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
47.

In this pedigree, which gender can be carriers of colorblindness and not have it?

a)

Just males

b)

Just females

c)

Both genders

48.
If a trait SKIPS a generation, it is an indication that the trait is....
a)
dominant
b)
recessive
c)
incompletely dominant
d)
co-dominant
49.

In this pedigree, the shading represents people in the family with dark hair while the unshaded represents blondes. Is dark hair controlled by a dominant or recessive allele?

a)

Dominant

b)

Recessive

50.

Individuals that are shaded in have premature hair whitening. Is this trait dominant or recessive? How do you know?

a)

Dominant because it skips generations

b)

Dominant because it is present in every generation

c)

Recessive because it skips generations

d)

Recessive because it is present in every generation.

51.
How are individuals III-2 and II-4 related?
a)
Cousins
b)
Dad and Daughter
c)
Uncle and Niece
d)
Grandpa and Granddaughter
52.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

53.

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

a)

Insertion

b)

Point mutation

c)

Deletion

d)

Substitution

54.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born
55.
What is the genotype of the father?
a)
AA
b)
aa
c)
Aa
d)
AA or aa
56.

The karyotype diagram below represents a human female with the genetic disorder known as Turner syndrome. Chromosomal analysis of this karyotype reveals the mutation is a result of

a)

a missing X chromosome

b)

a missing Y chromosome

c)

an extra 21 chromosome

d)

missing chromosome #9

57.

The karyotype diagram below represents a human male. Chromosomal analysis of this karyotype reveals the abnormality in this karyotype is:

a)

a missing X chromosome

b)

a missing Y chromosome

c)

an extra 21 chromosome

d)

missing chromosome #9

58.

By looking at the chromosomes how can you tell that this person is biologically female?

a)

Because there are two X chromosomes

b)

Because there are more chromosomes than in a male

59.

This is known as Edwards Syndrome, can you identify the chromosomal mutation?

a)

Chromosomes 1 and 2 are bent

b)

There is no Y chromosome

c)

This persons chromosomes are normal

d)

There are 3 of chromosomes 18

60.

How many CHROMOSOME PAIRS does this dog have?

a)

29

b)

39

c)

49

61.

How many TOTAL CHROMOSOMES does this plant have?

a)

24

b)

10

c)

12

62.

What is the biological gender of this individual?

a)

Male

b)

Female

c)

Cannot be determined

63.

What is the biological gender of this individual?

a)

Male

b)

Female

c)

Cannot be determined

64.

What is the gender of this rat?

a)

Male

b)

Female

c)

Cannot be determined

65.

Does this person have a genetic disorder? If so, which chromosome is responsible?

a)

Yes, there is a missing Y chromosome

b)

Yes, there is an chromosome 21

c)

No, there is nothing wrong with this karyotype

66.

This is called Turners syndrome, can you notice the mutation in the chromosomes?

a)

Both chromosomes 1 are bent

b)

There are too many chromosomes

c)

There are too many of chromosome 3

d)

There is no Y chromosome

67.

Anything in the environment that causes a mutation is a(n)

a)

splicing

b)

frameshift

c)

elongation

d)

mutagen

68.

Pairs of similar chromosomes are called...

a)

homologous chromosomes

b)

sister chromatids

69.

What is an organized picture of all of an organism’s homologous chromosome pairs lined up with each other?

a)

Pedigree

b)

Karyotype

70.

A permanent change in the DNA sequence

which can affect a single gene or group of genes

a)

Homeostasis

b)

Somatic Cell

c)

Chromosomal Mutation

d)

Gene Mutation

71.

Failure of homologous chromosomes

to separate during meiosis.

Results in gametes with either one extra or one missing chromosome.

a)

Translocation

b)

Nondisjunction

c)

Replication

d)

Transcription

72.

The failure of one or more pairs of homologous chromosomes or sister chromatids to separate "normally" during meiosis is called _____________________.

a)

nondisjunction

b)

anaphase I

c)

nondiploidy

d)

karyotype

73.

In some chickens, feather color shows incomplete dominance. If a black chicken BB is mated with one that is blue (BW), what is the probability of having a chicken that is black?

a)

1/4

b)

1/2

c)

3/4

d)

100%

74.

In snapdragons, flower color exhibits incomplete dominance. When crossed, red (RR) and white (WW) flowers make pink flowers (RW). Complete a cross between a pink flower and a red flower. Find the phenotype ratio.

a)

1 red: 1 pink

b)

4 red: 0 pink

c)

4 pink: 0 white

d)

1 pink: 1 white

75.

In humans, there are three phenotypes for hair--curly, wavy, and straight. Hair texture shows incomplete dominance. Suppose two people with wavy hair have a child. What is the probability the child will have straight hair?

a)

100%

b)

0%

c)

25%

d)

50%

76.

When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....

a)

Incomplete Dominance

b)

Codominance

77.

Which of the following genotypes code for the blood type AB?

a)

IA IA and IA IB

b)

IA IB only

c)

IA IB and IB i

d)

ii only

78.

This is an example of ---

a)

Incomplete dominance

b)

Codominance

79.

This is an example of ---

a)

Incomplete dominance

b)

Codominance

80.

What does this Punnett square and the probabilities of the ofspring represent?

a)

incomplete dominance

b)

codominance

81.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
82.

Some flowers are controlled by codominance. Red flowers (FRFR), blue flowers (FBFB) and Speckled flowers (FRFB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

50% red, 50% speckled

b)

25% red, 25% blue

c)

100% blue

83.

A long-haired female rabbit and a short-haired male rabbit produced this offspring with a medium-length coat:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

84.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
85.

What type of inheritance pattern is shown here?

a)

Codominance

b)

Incomplete dominance

86.

The blending of two traits is known as ---

a)

incomplete dominance

b)

codominance

87.

What are the blood types of the possible children that a woman (type O) and man (type AB) can have?

a)

O and AB

b)

O and A

c)

O and B

d)

A and B

88.

If a person has type O blood, the phenotype is O. What can the genotype be?

a)

IBIB or IBi

b)

IAIA or IAi

c)

IAIB

d)

ii

89.

What type of inheritance is determined by multiple genes and there can be a range of traits?

a)

Codominance

b)

Incomplete dominance

c)

Polygenic traits

90.

A single gene has 3 or more alleles. These are called

a)

multiple genes

b)

multiple alleles

c)

codominance

d)

polygenic traits

91.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
92.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
93.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
94.
Colorblindness is a recessive x-linked disorder.
Which genotype represents a male with normal vision?
a)
XNXN
b)
XnXn
c)
XNY
d)
XnY
95.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
96.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
97.
When we say that a woman is a carrier for a genetic disease or disorder it means that
a)
she has 1 gene, but not the disorder
b)
she has 2 genes for the disorder
c)
she can pass the gene only to male children
d)
she can pass the gene only to female children
98.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
99.

Look at the pedigree: What is the inheritance pattern?

a)

Autosomal dominant

b)

Autosomal recessive

c)

Sex-linked dominant

d)

Sex-linked recessive

100.
The process of changing the genetic material of a living organism 
a)
Genetic Modification
b)
Taxonomy
c)
Adapting
d)
Bioremediation
101.

This is the practice of producing a genetically identical cell or organism

a)

Cloning

b)

Gel Electrophoresis

c)

Genetic Engineering

d)

DNA Fingerprinting

102.
A lab technique used in crime fighting to prove a suspects innocence or guilt is known as:
a)
genetic engineering
b)
PCR
c)
electrophoresis
d)
gene therapy
103.
What is recombinant DNA?
a)
Adding DNA from one organism into the DNA of another
b)
DNA which has been changed over generations by natural selection
c)
DNA that causes genetic disorders
d)
DNA that has been sequenced
104.

Why is Dolly the sheep considered a clone?

a)

the source of Dolly's DNA is a single cell taken from an adult donor

b)

the DNA molecules in each of Dolly's cells are different

c)

Dolly has a mix of genes from her foster mother and the sheep that donated a nucleus of one of its cells

d)

Dolly is genetically identical to her offspring

105.

Which suspect left the blood stain?

a)

Bob

b)

Sue

c)

John

d)

Lisa

106.

The process that has been used for centruries to create purebred animals such as black labs is called

a)

recombinant DNA

b)

cloning

c)

selective breeding

107.

The insertion of a gene of interest into a bacterial DNA loop is called

a)

recombinant DNA

b)

insertion technique

c)

mutation propagation

108.

Which of the following is a protein that acts as DNA "scissors"?

a)

plasmid

b)

restriction enzyme

c)

ligase

d)

protein expression

109.

In gel electrophoresis, smaller DNA move . . . 

a)

farther and faster

b)

as slow as a turtle

c)

to the negative side of the gel

d)

to the positive side of the gel

110.

DNA containing genes from two or more organisms is called __________________.

a)

a plasmid.

b)

a polyploid.

c)

a hybrid organism.

d)

recombinant DNA.

111.

Which kitten is most likely the offspring of this cat?

a)

1

b)

2

c)

3

d)

4

112.

What does transgenic mean?

a)

An organism that can change its genes at will

b)

A stem cell that can differentiate into anything

c)

An organism that has had another species' DNA put in it

d)

A bacteria that reproduces asexually

113.

Which suspect left the blood stain?

a)

Bob

b)

Sue

c)

John

d)

Lisa

114.

T or F Clones like Dolly are created asexually from a donor cells DNA.

a)

True

b)

False

115.

A company that creates hair dye would most likely employ a bio-technician for which job?

a)

researching trends

b)

developing new colors

c)

creating cost effective packaging

d)

developing a product that will be safe for consumers

116.

Which are most closely related to biotechnology?

a)

medicine and agriculture

b)

construction and engineering

c)

water treatment and electricity generation

d)

communication and information technology

117.

Which application of biotechnology is of greatest economic benefit to North Carolina?

a)

development of livestock that are more domesticated

b)

development of livestock that produce higher quality meat

c)

development of crops that can be grown in extremely dry environments

d)

development of crops that can be grown in extremely low temperatures

118.

Which use of biotechnology most benefits North Carolina agriculture?

a)

producing human vaccines

b)

producing disease resistant crops

c)

producing new medicines from bacteria

d)

producing enzymes to eliminate pollutants

119.

Bacteria cells can be used to produce insulin for the treatment of diabetes in humans. Which best explains how the bacteria cells are able to produce insulin for humans?

a)

The bacteria have been grown on a petri dish containing insulin.

b)

The bacteria have been genetically engineered to contain the DNA needed to produce insulin.

c)

The bacteria have been exposed to radioactivity to create mutant strains capable of producing insulin.

d)

The bacteria have been grown on a petri dish containing sugar; the bacteria produce insulin in response to the sugar.

120.

Which positive ways has Biotechnology impacted our environment?

a)

Reduced Pesticides use

b)

Improved color and taste of vegetables

c)

Improved our waterways

d)

All of the above

121.
1. Which of the following is a product made by biotechnology
a)
Bread
b)
Cheese
c)
Penicillin
d)
All of these
122.

The chemical molecule that is the basic genetic material found in all cells.

a)

DNA

b)

GMO

c)

Hybrid

d)

Protein

123.

Which of these is biotechnology most likely not going to be used in?

a)

Agriculture

b)

Genetics

c)

Medicine

d)

Mining

124.

Which of the following is the process of using technology to create or modify living things?

a)

Biotechnology

b)

GMO

c)

Pest resistant crops

d)

Transpiration

125.

GMO stands for

a)

Genetically Modeled Organisms

b)

Genetically Modified Organism

c)

I have no idea

126.

How can agricultural biotechnology have a positive impact on the environment?

a)

Planting crops in shaded areas.

b)

Harvesting crops that have thick stems and leaves.

c)

Water crops with a recycled irrigation system.

d)

By developing crops that are pest resistant requiring fewer pesticides to be used.

127.

19) Which suspect was most likely present at the crime scene?

a)

Suspect 1

b)

Suspect 2

c)

Suspect 3

d)

None of them match

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