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Genetics Intro Quiz

Total questions: 20

Worksheet time: 39mins

Name
Class
Date
1.
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
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains uracil
3.
In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
4.
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
5.
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
6.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

7.

Where are proteins made?

a)

ER

b)

nucleus

c)

cytoplasm

d)

mitochondria

8.

RNA has what base that is instead of thymine?

a)

guanine

b)

adenine

c)

thymine

d)

uracil

9.

The goal of transcription is to make RNA.

a)

True

b)

False

10.
Amino acids are the building blocks of... 
a)
DNA
b)
RNA
c)
Atoms
d)
Proteins
11.
What process is occurring in this photo?
a)
Transcription
b)
DNA unwinding
c)
Translation
d)
Transfer RNA is creating bases
12.
What process is occurring in this photo?
a)
Transcription
b)
Translation
c)
mRNA is matching with amino acids
d)
tRNA is transcribing the DNA
13.
Which sentence is FALSE?
a)
All organisms have 23 pairs of DNA.
b)
Chromosomes are made of genes.
c)
DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine
d)
DNA is the recipe for life.
14.
The traits of an organism are passed to its offspring on small coded strands of DNA material called
a)
meiosis
b)
recessive traits
c)
genes
d)
heredity
15.

Where in the cell is DNA found?

a)

Nucleus

b)

Cytoplasm

c)

Chloroplast

d)

Cell Membrane

16.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Denitrogenous acid

c)

Deribonucleic acid

d)

Diribonucleic acid

17.

A gene determines a __________ such as eye or hair color.

a)

nucleus

b)

DNA

c)

chromosome

d)

Trait

18.

How many pairs of chromosomes do humans have?

a)

21

b)

22

c)

23

d)

24

19.

The cell division that produces gametes (egg & sperm).

a)

binary fission

b)

mitosis

c)

homologous pairing

d)

meiosis

20.

The union of egg and sperm to form a new offspring is

a)

gene

b)

fertilization

c)

amino acids

d)

DNA

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