Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biology - Genetics Test Review

Total questions: 50

Worksheet time: 54mins

Name
Class
Date
1.

Which of the following is ultimately going to determine your traits?

a)

the sequences of nitrogenous bases in your genes

b)

the number of phosphates in your DNA

c)

the number of chromosomes you have

d)

the number of ribose sugars in RNA

2.

What nitrogen base is in RNA but not in DNA?

a)

Adenine

b)

Guanine

c)

Thymine

d)

Uracil

3.

How many codons are in the sequence AUGAAACCGUAA

a)

1

b)

3

c)

4

d)

12

4.

The process of creating a protein from RNA is called

a)

transcription

b)

translation

c)

replication

d)

reverse transcription

5.

The process of creating mRNA based on a DNA sequence is called

a)

transcription

b)

translation

c)

replication

d)

reverse transcription

6.

Which process is shown in the image?

a)

crossing over

b)

independent assortment

c)

segregation

d)

mutation

7.
Crossing over is important because....
a)
It prevents mutations from entering the gametes. 
b)
It allows for even distribution of chromosomes in the gametes.
c)
It allows for more genetic diversity of gametes.
d)
It allows for genetic uniformity of gametes. 
8.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
9.
A cell with 10 chromosomes go through meiosis. What is the end result of the process
a)
4 cells with 10 chromosomes each
b)
2 cells with 10 chromosomes each
c)
4 cells with 5 chromosomes each
d)
2 cells with 5 chromosomes each
10.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
cellular respiration
11.
Daughter cells are genetically identical
a)
mitosis
b)
meiosis
c)
both
12.
In meiosis, the haploid number of chromosomes in a human sex cell is:
a)
46
b)
92
c)
22
d)
23
13.

Which of the following happens just as many times with meiosis as it does with mitosis?

a)

the cytoplasm splits in half (cytokinesis)

b)

the chromosomes line up in the middle of the cell

c)

DNA is replicated before cell division

d)

the spindle fibers attach to the chromosomes

14.

What does meiosis do that mitosis doesn't?

a)

increases genetic variability of daughter cells

b)

divides the cell evenly

c)

splits the chromosomes evenly to both sides

15.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
16.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
17.
Which structure is labeled as A in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
18.
Which structure is labeled as B in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
19.
Which structure is labeled as C in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
20.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
21.

What makes this individual's karyotype not normal?

a)

An extra sex chromosome

b)

An extra autosome

c)

A missing sex chromosome

d)

A missing autosome

22.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

23.

When one or more nucleotides are lost during chromosomal crossover in meiosis, this is called:

a)

an insertion mutation

b)

a deletion mutation

c)

a translocation

24.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
25.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
26.
This trait is hidden whenever the dominant allele is present
a)
dominant allele
b)
codominance
c)
recessive allele
d)
Punnett Square
27.

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%

28.

Fill in the Yellow Box

a)

Bb

b)

BB

c)

bb

29.

The punnett square is used to tell the color of a frogs skin. "G" means green skin and "g" means brown skin. What is the chance the baby frogs will have brown skin?

a)

0%

b)

25%

c)

50%

d)

100%

30.

What is the mother's genotype?

a)

DD

b)

Dd

c)

dd

31.
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%
32.
Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames, while her male phoenix is homozygous recessive for blue flames. What color flames will the babies have?
a)
Red
b)
Blue
c)
Purple
d)
50% Red, 50% Blue
33.
Bob the abominable snowman lives in the snowy Andes mountains. He has white fur, which blends in nicely. He is therefore dismayed when his mate keeps having red-furred babies. What is Bob's likely genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
34.
Jabba the Hutt has finally decided to settle down and have a family. He has undergone genetic testing and learned that he is heterozygous for Hutt Fungal Syndrome, which is caused by recessive alleles. He is worried that his children might suffer from this syndrome. His Hutt mate has undergone genetic testing and discovered she is homozygous dominant for the syndrome. Should Jabba be worried?
a)
Yes
b)
No
35.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
36.
What goes in box 1
a)
AABb
b)
AABB
c)
aabb
d)
AaBb
37.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
38.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
39.
What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?
a)
Ry
b)
RRyy
c)
RrYy
d)
Rryy
40.
Assume dad's gametes are on top, what is his genotype?
a)
AAPP
b)
AaPp
c)
aaPP
d)
Aapp
41.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
42.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
43.

A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.

This cross would be

a)

BBEE x bbee

b)

BBEe x BbEe

c)

BbEE x BbEe

d)

BBee x BBEE

44.
In pea plants, the allele for smooth seeds (S) is dominant of the allele for wrinkled seeds (s). In an experiment, when two hybrids (Ss) are crossed, what percent of the offspring share the same genotype as the parents?
a)
0%
b)
25%
c)
50%
d)
75%
45.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
46.
Which best explains why muscle cells are different from blood cells?
a)
Muscle cells are produced by the brain, but blood cells are produced by the heart. 
b)
Different genes are activated in muscle cells than in blood cells. 
c)
Muscles cells experience different environmental influences than blood cells. 
d)
A mutation occurs during the development of muscle cells but not in blood cells. 
47.
How do stem cells know what type of cells to differentiate into?
a)
The nucleus has instructions to turn some genes on and some genes off.
b)
Signals from chemicals in the organism or from the environment determine which genes will be turned on and off.
c)
Genes turn on and off randomly.
d)
The cell has unique DNA that determines what the cell will become.
48.

Siamese cats have darker fur on their ears and extremities, because:

a)

The genes on only those cells were inherited differently than all of the other cells.

b)

Environmental influences such as temperature caused certain genes in those cells to become expressed and certain genes to become repressed differently than the other cells.

c)

Siamese cats are from Siam where dark extremities are just a more beneficial trait in that environment.

d)

The cells in those specific areas of the bodies experienced the exact same mutation that produced darker fur.

49.
Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?
a)

9/16

b)

2/16

c)

3/16

d)

1/16

50.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B

Similar Resources on Wayground

Fenntarthatósági kvíz

45 questions

Fenntarthatósági kvíz

quiz

Worksheet

•

9th - 12th Grade

QUARTER 4 PRACTICE TEST

55 questions

QUARTER 4 PRACTICE TEST

quiz

Worksheet

•

10th Grade

Year 10 - Shocking Stuff & Space Revision

55 questions

Year 10 - Shocking Stuff & Space Revision

quiz

Worksheet

•

10th Grade

8.1a.KO.Practice.How the body works

50 questions

8.1a.KO.Practice.How the body works

quiz

Worksheet

•

5th - 12th Grade

EM SPECTRUM/WAVES

54 questions

EM SPECTRUM/WAVES

quiz

Worksheet

•

10th Grade

Scientific Measurement Unit Study Guide

55 questions

Scientific Measurement Unit Study Guide

quiz

Worksheet

•

9th Grade

Section 1 MC Practice - Electrical Pples and Technologies

45 questions

Section 1 MC Practice - Electrical Pples and Technologies

quiz

Worksheet

•

9th Grade