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Unit 3 Review

Total questions: 71

Worksheet time: 53mins

Name
Class
Date
1.
Which of these phases of mitosis take place first?
a)
anaphase
b)
telophase
c)
prophase
d)
metaphase
2.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
3.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
anaphase
d)
cytokinesis
4.
Identify the stage of mitosis. 
a)
interphase
b)
prophase
c)
anaphase
d)
cytokinesis
5.

Your normal body cells contain 46 (23 pairs) total chromosomes. How many chromosomes do they have after mitosis is complete?

a)

23

b)

46

c)

92

d)

only half

6.

G1, S, and G2

a)

Interphase

b)

mitosis

c)

cytokinesis

d)

Prophase

7.

Uncontrolled cell growth

a)

cancer

b)

mitosis

c)

interphase

d)

g1

8.

Type of cells for mitosis

a)

sperm cells

b)

egg cells

c)

gametes

d)

body cells

9.

Type of cells that meiosis produces

a)

sperm and egg cells

b)

zygotes

c)

skin and bone cells

d)

blood cells and muscle cells

10.

crossing over occurs here

a)

mitosis

b)

meiosis

c)

both

d)

neither

11.

Put the phases in the correct order

a)

b, a, d, c

b)

a, b, c, d

c)

c, d, a, b

d)

d, c, a, b

12.

Asexual reproduction is passing of traits

a)

from 2 parents to an offspring

b)

from mother to father

c)

from 1 parent to an offspring

d)

from offspring to offspring

13.

Asexual reproduction creates

a)

an offspring with identical DNA and traits to the parent

b)

a new and unique offspring

c)

an offspring with a combination of traits and DNA as parent

14.

Sexual reproduction is passing of traits

a)

from grandparent to grandparent

b)

from 1 parent to offspring

c)

from an organism to the environment

d)

from 2 parents to an offspring

15.

Sexual reproduction creates

a)

a clone of the parent

b)

a unique individual with a combination of traits

c)

an exact replica of other offspring

16.

One advantage of asexual reproduction is...

a)

parents can only create a few offspring

b)

organisms can live longer

c)

offspring is identical to parent

d)

parents can create many offspring in a short amount of time.

17.

One advantage of asexual reproduction is....

a)

organisms have to look for a mate

b)

all offspring are identical

c)

organisms do not have to spend time and energy finding a mate

d)

all offspring are unique

18.

One disadvantage of asexual reproduction is....

a)

parents are better at raising their offspring

b)

parent will pass down mutations and diseases to offspring

c)

organisms can live longer

d)

they can create a lot of offspring

19.

This bacteria is an example of...

a)

asexual reproduction

b)

sexual reproduction

c)

blue cheetos

20.

This dog is an example of

a)

asexual reproduction

b)

man's best friend

c)

sexual reproduction

21.

One disadvantage of asexual reproduction is

a)

the parent and offspring have different traits

b)

organisms will never find love

c)

not enough offspring are created

d)

competition for food and space to live can occur

22.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
23.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
24.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
25.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
26.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
27.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
28.
Crossing over helps promote 
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
29.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
30.

What is the image above:

a)

Chromosome

b)

Chromotid

c)

Centromere

d)

Centriole

31.

A chromosome is packaged

a)

DNA

b)

Protein

c)

Carbohydrates

d)

Lipids

32.

What stage of mitosis is depicted here

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

33.

Check the correct statement:

a)

Plant Cell - cell plate; Animal Cell - cleavage furrow

b)

Plant Cell - cleavage furrow; Animal Cell - cell plate

34.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
35.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
36.
Who is considered the "father of genetics"?
a)
Gregor Mendel
b)
Reginald Punnett
c)
James Watson
d)
Justin Bieber
37.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
38.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
39.
How many chromosomes are in a sex cell?
a)
46
b)
23
c)
26
d)
43
40.
The passing of physical characteristics from parent to offspring is __________.
a)
genetics
b)
heredity
c)
genes
d)
traits
41.
outward appearance of an organism, regardless of its genes.
a)
phenotype
b)
genotype
c)
haploid
d)
deploid
42.
The genetic characteristics of recessive genes
a)
tend to mask the characteristics of dominant genes.
b)
are always expressed in the phenotype.
c)
are usually codominant.
d)
tend to be masked by the characteristics of dominant genes.
43.
The following picture represents what pattern of inheritance?
a)
Complete dominance
b)
Incomplete dominance
c)
Co-dominance
d)
Sex-linked inheritance
44.
The following picture represents what pattern of inheritance?
a)
Complete dominance
b)
Incomplete dominance
c)
Co-dominance
d)
Multiple Alleles
45.
In the following Punnett Square, R represents red scales and B represents blue scales.  If scale type shows co-dominance in fish, what is the probability of each color in the offspring?
a)
50% blue, 50% red and blue, 0% red
b)
50% purple and 50% blue
c)
100% red and blue
d)
0% red, 0% blue, 100% red and blue
46.

In the blood type Punnett square shown, what is the probability the offspring will inherit each blood type?

a)

50% A, 25% B, 0% AB, 25% O

b)

25% A, 50% B, 25% AB, 0% O

c)

50% A and 50% B

d)

25% AB, 50% A, 25% O

47.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains uracil
48.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
49.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
50.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
51.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
52.

A process in which DNA has the unique ability to make an exact copy of itself.

a)

Replication

b)

Translation

c)

Transcription

d)

Protein Synthesis

53.
Who was given credit for determining the shape of DNA? 
a)
Avery
b)
Watson and Darwin
c)
Watson and Crick
d)
Franklin and Crick
54.
Which sequence of complementary 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
55.

Which statement is true, based on the picture below?

a)

The model is inaccurate because the base pairs are incorrect

b)

The model is accurate because it contains correctly paired bases.

c)

The model accurate because it shows each splitting to form a double helix

d)

The model is inaccurate because some typical bases in DNA are missing

56.
A nitrogen base that bonds with cytosine; a purine
a)
thymine
b)
guanine
c)
helicase
d)
double helix
57.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
58.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
59.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
60.
Changes is DNA sequences that affect genetic information are known as
a)
replications
b)
mutations
c)
transformations
d)
translations
61.
A mutation that affect one specific location is called
a)
a mutagen
b)
a chromosomal mutation
c)
a point mutation
d)
translocation
62.

ATT-TGA-GCC- Original

ATT-GAG-CC - Mutated

The example above is an example of a

a)

Insertion- Frameshift

b)

Deletion- Substitution

c)

Deletion -Frameshift

d)

All of the above

63.

DNA molecule segment is : TTA-CGC-AAG

The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

64.

Original DNA: CAT GAT CCA

New DNA: CAT TGA TCC A

What mutation occurred?

a)

deletion

b)

substitution

c)

tranverse

d)

insertion

65.

This is the practice of inserting the DNA of another species into an organism's DNA so that the organism gains a new trait.

a)

Cloning

b)

Gel Electrophoresis

c)

Genetic Engineering

d)

DNA Fingerprinting

66.

What is the process in which an unspecialized stem cell turns into a specialized body cell?

a)

DNA Replication

b)

Differentiation

c)

Respiration

d)

Genetic Modification

67.

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

68.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
69.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
70.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
71.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon

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