Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chapter-3 Who am I

Total questions: 109

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
2.

Who is considered the "father" of modern genetics?

a)

Einstein

b)

Mendel

c)

Disney

d)

Washington

3.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
4.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous 
5.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
6.
Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
7.
Females-XX; MalesXY.  A couple has 4 girls.  What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
8.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
9.
A physical characteristic that can be passed from parent to offspring.
a)
behavior
b)
trait
c)
strong muscles
d)
ability to fly a plane.
10.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
11.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous genes
d)
mutated DNA
12.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
13.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
14.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
15.
In cacti, long arms (A) are dominant to short arms (a).  Suppose 2 heterozygous cacti are crossed.  What percentage of their offspring are expected to have short arms?
a)
0%
b)
25%
c)
75%
d)
100%
16.
When a person has two different alleles for a gene, they are said to be
a)
heterozygous
b)
homozygous
17.
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%
18.

An allele (T) for tongue-rolling is dominant over non-tongue rolling. What would be the genotypes of both parents if all of the offspring in the F1 generation are non-tongue rolling?

a)

TT X Tt

b)

Tt X tt

c)

tt X tt

d)

TT X tt

19.
Round seeds (R) are dominant over wrinkled seeds (r). What percentage of the offspring will be round from the following cross?
RR X Rr
a)
100%
b)
75%
c)
50%
d)
25%
20.
A homozygous round seeded plant is crossed with a homozygous wrinkled seeded plant. What percentage of the offspring will be homozygous recessive?
R = round
r = wrinkled
a)
75%
b)
50%
c)
25%
d)
0%
21.

One basic unit of a Nucleic Acid is a​ (a)  

Choose from the below words
nucleotide
amino acid
fatty acid
monosaccharide
22.

Three Nucleotides in a row of DNA or mRNA are called a...

(a)  

Choose from the below words
Codon
Sugar
Ribosome
acid
Protein
23.

Given this DNA Sequence:

TAC TAG CCG AGT

What is the correct amino acid sequence?

4 lines
24.

What is the difference between

the effect of a point mutation and the effect of a frameshift mutation?

4 lines
25.

If one nucleotide is affected in a point mutation,

can this change the amino acid made?

a)

Yes, always

b)

No, never

c)

Sometimes

26.

If more than one nucleotide are affected in a frameshift mutation,

can this change an amino acid made? How many?

a)

Yes, but only one

b)

No, none

c)

Yes and possibly many or all

27.

Match the following Mutations

a)

Deletion

1.

Entire sequence shifts to the left

b)

Insertion

2.

Entire sequence shifts to the right

c)

Substitution

3.

One Nucleotide is swapped for another

d)

Point

4.

Only one nucleotide is affected

e)

Frameshift

5.

More than one nucleotide is affected and entire sequence shifts

28.

Match the following Mutations

a)

Missense

1.

Causes chance in amino acid sequence ; results in different protein

b)

Nonsense

2.

Causes an amino acid to change into a "STOP" codon

c)

Silent

3.

Has no effect on amino acids or proteins

29.

Identify and Circle the Mutation

30.

What was the new amino acid made by this mutation?

(a)  

31.

What Type of mutation is this?

a)

Point

b)

Frameshift

32.

What Sub-type of mutation is this?

a)

Substitution

b)

Deletion

c)

Insertion

33.

What type of effect does this mutation have?

a)

Nonsense

b)

Missense

c)

Silent

34.

What is a difference between

the effect of a point mutation and

the effect of a frameshift mutation?

4 lines
35.
DNA is copied during a process called ______________ which results in an identical copy of itself.
a)
Photosynthesis
b)
Transcription
c)
Replication
d)
Translation
36.
Which type(s) of RNA is(are) involved in protein synthesis?
a)
transfer RNA
b)
messenger RNA
c)
tRNA and mRNA
d)
tRNA, mRNA, and rRNA
37.
Genes contain instructions for assembling _______________.
a)
Nucleosomes
b)
Proteins
c)
Purines
d)
Pyrimidines
38.
Which of the following are found in both DNA and RNA?
a)
ribose, phosphate groups, and adenine
b)
phosphate groups, guanine, and cytosine
c)
phosphate groups, guanine, and thymine
d)
deoxyribose, phosphate groups, and guanine
39.
Which illustration of a chromosomal change best represents a chromosome mutation known as a deletion?
a)
ABCDEFG —> ABCDEF
b)
ABCDEFG —> ABEDCFG
c)
ABCDEFG —> ABCDEFGH
d)
ABCDEFG —> ABCDEFGKMN
40.
DNA replication results in two DNA molecules,
a)
each with two new strands.
b)
each with one new strand and one original strand.
c)
each with two original strands.
d)
one with two new strands and the other with two original strands.
41.
Unlike DNA, RNA contains...
a)
a phosphate group
b)
thymine
c)
guanine
d)
uracil
42.
What is produced during transcription?
a)
Protein
b)
tRNA
c)
mRNA
d)
DNA
43.
The order of nitrogenous bases in DNA determines the order of ______________ in proteins.
a)
nucleic acids
b)
lactic acids
c)
Phosphates
d)
amino acids
44.
In a portion of a gene, the nitrogenous base sequence is T-C-G-A-A-T.  Which nitrogenous base sequence would normally be found bonded to this section of the gene?
a)
A-C-G-T-A-A
b)
A-C-G-U-U-A
c)
A-G-C-T-T-A
d)
U-G-C-A-A-U
45.
DNA controls traits through the order of its--
a)
phosphates
b)
sugars
c)
carbons
d)
nitrogen bases
46.
How is information for a specific protein carried on the DNA molecule?
a)
As a pattern of phosphate and sugars
b)
In the double helix shape of the condensed chromosome
c)
As a sequence of nucleotides
d)
In the ratio of adenine to guanine
47.
Which type of RNA functions as a blueprint for the genetic code?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
48.
What happens during the process of translation?
a)
The cell uses information from messenger RNA to produce proteins.
b)
Messenger RNA is made from DNA.
c)
Copies of DNA molecules are made.
d)
Transfer RNA is made from messenger RNA.
49.
During translation, the type of amino acid that is added to the growing polypeptide depends on the:
a)
anticodon on the mRNA only.
b)
codon on the mRNA only.
c)
codon on the mRNA and the anticodon on the tRNA to which the amino acid is attached.
d)
anticodon on the tRNA to which the amino acid is attached only.
50.
In eukaryotes, DNA:
a)
floats freely in the cytoplasm
b)
is found in the nucleus
c)
is wrapped within the ribosome
d)
is circular
51.
During transcription, the _______________ between base pairs are broken.
a)
phosphate bonds
b)
peptide bonds
c)
hydrogen bonds
d)
double bonds
52.
A DNA nucleotide may contain--
a)
ribose, uracil, and a polypeptide.
b)
deoxyribose, cytosine, and a lipid.
c)
deoxyribose, thymine, and a phosphate group.
d)
ribose, adenine, and thymine.
53.
The polymer to the left most likely contains ________.
a)
ATP
b)
lipids
c)
ribose
d)
genes
54.
DNA strand:   TACAGGGTGCTACCCACT
What is the peptide chain that results from this strand of DNA?
a)
methionine, phenylalanine, histidine, aspartate, glycine
b)
a. methionine, leucine, histidine, aspartate, glycine
c)
methionine, serine, histidine, aspartate, glycine
d)
methionine, proline, histidine, aspartate, glycine
55.
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%
56.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
57.
If brown eyes are dominant over blue eyes, what would be the  parent genotypes if two heterozygous brown eyed persons were crossed?
a)
BB and bb
b)
BB and Bb
c)
Bb and Bb
d)
bb and Bb
58.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete Dominance

b)

Codominance

c)

Independent assortment

d)

Recessive inheritance

59.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
60.

This type of inheritance pattern shows BOTH traits in possible offspring

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

dominant pattern

61.
A green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring. (Be sure to remember that the capital letter is dominant).
a)
50% heterozygous and 25% homozygous recessive
b)
50% heterozygous and 50% homozygous recessive
c)
100% homozygous recessive
d)
25% heterozygous and 50% homozygous
62.
A white flower (rr) is crossed with a white flower (rr). What is the genotype of the offspring? Draw a Punnett square and answer the question.
a)
100% homozygous dominant
b)
100% heterozygous dominant
c)
100% homozygous recessive
d)
100% heterozygous recessive
63.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
64.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
65.

The physical appearance of a trait is known as the-

a)

genotype

b)

phenotype

c)

Homozygous

d)

intelligence

66.

Gretford is heterozygous for his head shape. If (R) is for a Round head, and (r) is for an Egg head, what is Gretford's genotype?

a)

RR

b)

Rr

c)

rr

d)

rR

67.

What is the probability of heterozygous offspring?

a)

25%

b)

50%

c)

0%

d)

100%

68.

In plants, tall (T) is dominant to short (t).


Draw a punnett square and perform the following cross: Tt x Tt


What is the probability of producing a short plant?

a)

0%

b)

25%

c)

50%

d)

75%

69.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
70.

What genotype would go in box 2? And is it Homozygous or Heterozygous?

a)

BB Heterozygous

b)

Bb Heterozygous

c)

bb Homozygous

d)

Bb Homozygous

71.

Kyree is heterozygous. If (W) is for waves, and (w) if for no waves.


What is Kyree’s genotype & phenotype?

a)

WW : waves

b)

ww : waves

c)

Ww : no waves

d)

Ww : Waves

72.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
73.

Brown eye color is dominant to blue eyes. Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

a)

0 %

b)

25%

c)

50%

d)

75%

74.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
75.
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%
76.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
77.
If brown eyes are dominant over blue eyes, what would be the  parent genotypes if two heterozygous brown eyed persons were crossed?
a)
BB and bb
b)
BB and Bb
c)
Bb and Bb
d)
bb and Bb
78.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete Dominance

b)

Codominance

c)

Independent assortment

d)

Recessive inheritance

79.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
80.

This type of inheritance pattern shows BOTH traits in possible offspring

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

dominant pattern

81.
A green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring. (Be sure to remember that the capital letter is dominant).
a)
50% heterozygous and 25% homozygous recessive
b)
50% heterozygous and 50% homozygous recessive
c)
100% homozygous recessive
d)
25% heterozygous and 50% homozygous
82.
A white flower (rr) is crossed with a white flower (rr). What is the genotype of the offspring? Draw a Punnett square and answer the question.
a)
100% homozygous dominant
b)
100% heterozygous dominant
c)
100% homozygous recessive
d)
100% heterozygous recessive
83.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
84.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
85.

The physical appearance of a trait is known as the-

a)

genotype

b)

phenotype

c)

Homozygous

d)

intelligence

86.

Gretford is heterozygous for his head shape. If (R) is for a Round head, and (r) is for an Egg head, what is Gretford's genotype?

a)

RR

b)

Rr

c)

rr

d)

rR

87.

What is the probability of heterozygous offspring?

a)

25%

b)

50%

c)

0%

d)

100%

88.

In plants, tall (T) is dominant to short (t).


Draw a punnett square and perform the following cross: Tt x Tt


What is the probability of producing a short plant?

a)

0%

b)

25%

c)

50%

d)

75%

89.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
90.

What genotype would go in box 2? And is it Homozygous or Heterozygous?

a)

BB Heterozygous

b)

Bb Heterozygous

c)

bb Homozygous

d)

Bb Homozygous

91.

Kyree is heterozygous. If (W) is for waves, and (w) if for no waves.


What is Kyree’s genotype & phenotype?

a)

WW : waves

b)

ww : waves

c)

Ww : no waves

d)

Ww : Waves

92.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
93.

Brown eye color is dominant to blue eyes. Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

a)

0 %

b)

25%

c)

50%

d)

75%

94.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
95.
 Gregor Mendel developed some basic principles of heredity by ______________.
a)
breeding fruit flies
b)
cutting off the tails of mice
c)
crossing pea plants
d)
growing bacteria in a laboratory
96.
 Phenotype refers to the _________ of an individual
a)
genetic makeup
b)
physical appearance
c)
recessive alleles
d)
dominant alleles
97.
 Which of these would best be described as a phenotype?
a)
blue eyes
b)
mutation
c)
Bb
d)
Tt
98.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
99.
Which term correctly describes an individual with a pair of the same alleles for a trait? 
a)
homologous
b)
heterozygous
c)
homozygous
d)
heterologus
100.
 An individual with two different alleles for a specific trait is said to be _____________.
a)
homozygous
b)
heterogenous
c)
homogenous
d)
heterozygous
101.
What is the phenotype for the recessive trait?
a)
brown eyes
b)
green eyes
c)
blue eyes
102.
Look at the Punnett Square. What's the probability of having the recessive offspring?
a)
100%
b)
75%
c)
50%
d)
25%
103.
Of 12 hamsters just born, 9 have brown fur and 3 have white fur. The trait for white fur is considered to be ________.
a)
recessive
b)
weak
c)
strong
d)
dominant
104.
What is this?
a)
Pedigree
b)
Karyotype
c)
Venn diagram
d)
Punnett Square
105.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
106.

How many females show the trait?

a)

1

b)

2

c)

3

d)

4

107.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
108.
How many of the males in this pedigree show the trait being studied?
a)
2
b)
3
c)
4
d)
6
109.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4

Similar Resources on Wayground

Unit 3 Test Review

107 questions

Unit 3 Test Review

quiz

Worksheet

•

10th Grade

Physical Science Unit 8- Energy

110 questions

Physical Science Unit 8- Energy

quiz

Worksheet

•

9th - 12th Grade

High School Science ISASP Review

108 questions

High School Science ISASP Review

quiz

Worksheet

•

9th - 10th Grade

FINAL EXAM BIOLOGY 6/25

104 questions

FINAL EXAM BIOLOGY 6/25

quiz

Worksheet

•

10th Grade - University

Unit 4: Cell Cycle Test Review

112 questions

Unit 4: Cell Cycle Test Review

quiz

Worksheet

•

9th - 12th Grade

AP Psychology Midterm Review

104 questions

AP Psychology Midterm Review

quiz

Worksheet

•

9th - 12th Grade

Cells Unit Review

105 questions

Cells Unit Review

quiz

Worksheet

•

8th - 10th Grade

Ch. 3 - Forces and Newton's Laws

105 questions

Ch. 3 - Forces and Newton's Laws

quiz

Worksheet

•

8th - 12th Grade