wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 6: Genetics

Total questions: 85

Worksheet time: 7hrs 5mins

Name
Class
Date
1.

Which part of DNA structure is responsible for the variation we see within and among organisms?

a)

the arrangement of the sugar molecules

b)

the arrangement of the nitrogen bases

c)

the arrangement of the phosphate molecules

d)

the arrangement of the deoxyribose molecules

2.

Which of the following is an example of a trait inherited from parents?

a)

lung cancer

b)

attached earlobes

c)

preference for spicy food

d)

short hair

3.

Who discovered the structure of DNA?

a)

Holmes & Watson

b)

Watson & Crick

c)

Einstein

d)

Moriarty & Crick

4.

Which of the following is NOT part of DNA?

a)

phosphate

b)

sugar

c)

ammonia

d)

base pairs

5.

Where is DNA found in your cells?

a)

ribosomes

b)

golgi bodies

c)

cell wall

d)

nucleus

6.

How many total chromosomes do humans have?

a)

5

b)

25

c)

46

d)

53

7.

A characteristic that an organism passes on to its offspring is known as.....

a)

a trait

b)

double helix

c)

recessive

d)

dominant

8.

You get most of your genetic information from your mother. True or False?

a)

False

b)

True

9.

The passing of traits from parent to offspring is.....

a)

genetics

b)

heredity

c)

recessive

d)

dominant

10.

For snakes, L represents the gene for long offspring and l represents the gene for short offspring. If long (L) is dominant over short (l), which of the following can be said about genotype Ll?

a)

It produces a long snake

b)

It produces a short snake

c)

It produces a medium snake

d)

It produces a snake with bunny ears

11.

Which law states one gene from each gene pair goes to separate sex cells?

a)

Dominance

b)

Segregation

c)

Independent Assortment

d)

Recessive

12.

In humans, who is responsible for determining the gender of the offspring?

a)

male

b)

female

c)

neither

d)

it is random

13.

Which law states genes given to the cell for hair color are independent from the genes for eye color?

a)

Dominance

b)

Segregation

c)

Independent Assortment

d)

Independent Beyonce

14.

___________________ alleles overpowers recessive alleles.

a)

Dominant

b)

Recessive

c)

Codominant

d)

Incomplete Dominant

15.

A red fish and blue fish reproduce and have 7 purple offspring. This is an example of:

a)

Dominance

b)

Recessive

c)

Codominance

d)

Incomplete Dominance

16.

Dark hair is a dominant trait. If you are heterozygous for the trait, it means...

a)

You have 2 dominant genes for dark hair and therefore you have dark hair

b)

You have only recessive genes and have light hair

c)

You have 2 dominant genes for dark hair but do not have dark hair

d)

You have dark hair but also carry the recessive gene for light hair

17.

By studying this diagram, you can conclude that the affected condition is...

a)

dominant

b)

recessive

c)

codominant

d)

both dominant and recessive

18.

By studying this diagram, you can conclude that the affected condition is...

a)

dominant

b)

recessive

c)

codominant

d)

both dominant and recessive

19.

A blonde man and a brunette woman fall in love, get married and have 3 kids. One of their children has blonde hair. What must be the genotype of the mother for one offspring to be blonde?

a)

HH

b)

HB

c)

Hh

d)

hh

20.

Which is an example of codominance?

a)

Type A Blood

b)

Type B Blood

c)

Type O Blood

d)

Type AB Blood

21.

Which is NOT a genotype for Type A Blood?

a)

AO

b)

AA

c)

AB

22.

Which Blood Type is recessive

a)

Type A

b)

Type B

c)

Type AB

d)

Type O

23.

A pink bunny and a green bunny reproduce and have green bunnies with pink polka dots. This is known as...

a)

Incomplete Dominance

b)

Codominance

c)

Dominance

d)

Easter Bunny Syndrome

24.

Yellow pea color (Y) is dominant over Green pea color (y). What is the Dominant:Recessive ratio for this punnett square?

a)

2:2

b)

2:1

c)

4:0

d)

0:4

25.

Gray squirrel fur color (A) is dominant over white squirrel fur color (a). What is the Dominant:Recessive ratio for this punnet square by crossing two heterozygous squirrels?

a)

1:2:1

b)

3:1

c)

1:3

d)

4:0

26.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
27.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
28.
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
29.
Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
30.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
31.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
32.
Colorblindness is a recessive x-linked trait.
Which genotype represents a male with normal vision?
a)
XNXN
b)
XYN
c)
XNY
d)
XnY
33.
If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true?
a)
All sons will have hemophilia
b)
All daughters will have hemophilia
c)
50% of daughters and 50% of sons have hemophilia
d)
0% of sons have hemophilia but 100% of daughters are carriers
34.
The visual representation of an individual's chromosomes is a 
a)
phenotype
b)
genotype
c)
karyotype
d)
stereotype
35.
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
36.
If a father is AA and a mother is AB, what is the probability for a child with AB blood? 
a)
0%
b)
25%
c)
50%
d)
75%
37.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
38.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
39.

In chickens, feather color is codominant. If a black chicken BB is mated with one that is black and white (Bb) what are the chances of having a chicken that is black and white?

a)

50%

b)

0%

c)

25%

d)

100%

40.

What is happening in cell #1?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

41.

When a white and red flower are crossed, all of the offspring are pink. When 2 pink flowers are crossed, what is the pheotypic ratio of the offspring?

a)

4:0

b)

1:2:1

c)

2:2

d)

3:4

42.

Because the gene for red-green color blindness is located on the X chromosome, it is NOT possible for a

a)

carrier mother to pass the gene on to her daughter

b)

carrier mother to pass the gene on to her son

c)

color blind father to pass the gene on to his daughter

d)

color blind father to pass the gene on to his son

43.

Skin color and eye color are both examples of ______________ traits.

a)

sex-linked

b)

simple dominance

c)

polygenic

d)

codominant

44.

On this chart, males are represented with _______.

a)

squares

b)

circles

c)

lines

45.

In the second row of circles and squares, what is the relationship between the squares?

a)

They are siblings.

b)

They are married.

c)

They are all parents.

46.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
47.
Hemophilia is a x-linked disorder.  A woman is a carrier for the disorder.  Which is the correct genotype?
a)
Hh
b)
XHXh
c)
hh
d)
XhXh
48.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
49.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
50.

What is the correct order of protein synthesis?

a)

mRNA --> DNA --> Protein

b)

Protein --> DNA --> mRNA

c)

DNA --> Protein --> mRNA

d)

DNA --> mRNA --> Protein

51.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
52.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
53.
The process of adding water in order to break bonds within a polymer....
a)
Dehydration Synthesis
b)
Hydrolysis
54.
The process of breaking the bonds within a starch molecule in order to release glucose molecules is called......
a)
Dehydration Synthesis
b)
Hydrolysis
55.
The process of making a polymer by bonding together monomers is called
a)
Dehydration Synthesis
b)
Hydrolysis
56.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
57.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
58.
Is C2H12O3 an organic or Inorganic Compound?
a)
Inorganic
b)
Organic
59.
What is a solute?
a)
The substance that does the dissolving in a solution.
b)
The substance that is dissolved into the solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
60.
A chemical reaction that builds a larger molecule from two smaller molecules
a)
catabolic
b)
anabolic
61.
A chemical reaction in which a larger molecule is broken down into smaller molecules
a)
catabolic
b)
anabolic
62.
What property of water molecules causes surface tension and cohesion?
a)
Covalent bonds
b)
Bent shape
c)
All non-metal atoms
d)
Polarity
63.
The monomer of a lipid is called...
a)
a nucleotide
b)
a monosaccharide
c)
an amino acid
d)
a fatty acid
64.
The monomer of a protein is called...
a)
an amino acid
b)
a monosaccharide
c)
a fatty acid
d)
a nucleotide
65.
The monomer of a nucleic acid is called... 
a)
an amino acid
b)
a fatty acid
c)
a monosaccharide
d)
a nucleotide
66.
The monomer of a carbohydrate is called...
a)
a monosaccharide
b)
a fatty acid
c)
an amino acid
d)
a nucleotide
67.
Monomers combine to form ________ through the process of ________.
a)
polymers; hydrolysis
b)
polymers; dehydration synthesis
c)
monomers; hydrolysis
d)
monomers; dehydration synthesis
68.
Which of the following is an example of an enzyme?
a)
glucose
b)
lipase
c)
DNA
d)
polysaccharide
69.
What does a Punnett Square show?
a)
All of Mendel's discoveries about Genetics
b)
Only recessive alleles in a genetic cross
c)
All the possible outcomes of a genetic cross
d)
Only the dominant alleles in a genetic cross
70.
The different forms of a gene are called
a)
alleles
b)
factors
c)
masks
d)
traits
71.
What does the notation "TT" mean in genetics?
a)
Two recessive alleles
b)
Two dominant alleles
c)
One dominant and one recessive allele
d)
A heterozygous organism
72.
What does the notation "Tt' mean to geneticists?
a)
One dominant and one recessive allele
b)
Two dominant alleles
c)
Two recessive alleles
d)
A Homeozygous organism
73.
An organism's genotype is its _________________
a)
feather color
b)
stem height
c)
genetic makeup
d)
physical appearance
74.
The structure in a cell's nucleus that contains DNA is called a ____________.
a)
Chromosome
b)
Genotype
c)
Dominant
d)
Recessive
75.

Multiple alleles refer to an inheritance pattern that has more than two alleles that control phenotype.

a)

True

b)

False

76.

Which option below best describes polygenic inheritance?

a)

More than one set of genes contributing to the phenotype

b)

A blending of genes getting an intermediate phenotype

c)

A phenotype that has more than 2 possible alleles for a gene

77.
How many alleles do you get from each parent?
a)
1
b)
2
c)
23
d)
46
78.

A cross between two individuals for two traits.

a)

monohybrid cross

b)

dihybrid cross

c)

gene

d)

allele

79.

Describes the number of times a genotype would appear in the offspring after a test cross.

a)

punnett square

b)

recessive

c)

genotypic ratio

d)

heterozygous

80.

A cross between two individuals for one trait.

a)

allele

b)

monohybrid cross

c)

dihybrid cross

d)

genotype

81.

We use an uppercase (capital) letter to indicate this

a)

recessive allele

b)

dominant allele

c)

gene

d)

phenotype

82.

We use a lowercase letter to determine this.

a)

dominant allele

b)

recessive allele

c)

outcome

d)

Gregor Mendel

83.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
84.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
85.
What is a genetic test cross?
a)
Testing a suspected homozygote by crossing it with a known heterozygote
b)
Testing a suspected heterozygote by crossing it with a known heterozygote
c)
Testing a suspected homozygote by crossing it with a known homozygous dominant
d)
Testing a suspected heterozygote by crossing it with a known homozygous recessive

Similar Resources on Wayground

BIO SEMESTER REVIEW (PART 1) S. METHOD,BIOCHEMISTRY, Cells

85 questions

BIO SEMESTER REVIEW (PART 1) S. METHOD,BIOCHEMISTRY, Cells

quiz

Worksheet

•

9th Grade

8th Grade CBA #1 Review

80 questions

8th Grade CBA #1 Review

quiz

Worksheet

•

7th - 9th Grade

EOC Review

90 questions

EOC Review

quiz

Worksheet

•

9th - 11th Grade

The Chemical Building Blocks of Life

87 questions

The Chemical Building Blocks of Life

quiz

Worksheet

•

9th - 12th Grade

10đ Hóa gogogo

86 questions

10đ Hóa gogogo

quiz

Worksheet

•

10th Grade

Ch 6 Communities and Ecosystem Dynamics

81 questions

Ch 6 Communities and Ecosystem Dynamics

quiz

Worksheet

•

9th Grade

Cell Review

83 questions

Cell Review

quiz

Worksheet

•

9th Grade

Unit 4: Cellular Biology

86 questions

Unit 4: Cellular Biology

quiz

Worksheet

•

9th Grade