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Genetics

Total questions: 21

Worksheet time: 51mins

Name
Class
Date
1.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
2.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
3.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
4.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
5.
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
6.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
7.
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
8.
If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?
a)
29%
b)
58%
c)
21%
d)
I have no idea.
9.
Traits that are passed from generation to generation are called ____________________
a)
Excited Traits
b)
Inherited Traits
c)
Inclined Traits
d)
Special Traits
10.

What do amino acids come together to join?

a)

a growing polypeptide chain (protein)

b)

a growing lipid

c)

a growing carbohydrate

d)

a growing nucleic acid

11.

How many nucleotides make up a single codon?

a)

3

b)

5

c)

4

d)

1

12.
Which of these nitrogenous bases is NOT in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
13.

The process of making mRNA from DNA is called?

a)

replication

b)

translation

c)

transcription

d)

duplication

14.

The physical appearance of an organisms is also referred to as:

a)

genotype

b)

phenotype

c)

chromosome

d)

incomplete dominance

15.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

16.
Are all mutations bad?
a)
Yes
b)
No
17.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
18.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
19.

Mutations can benefit humans because they can:

a)

Cause illness

b)

Make an organism more suited to live in its environment.

c)

Make organisms live shorter lives

d)

Cause organisms to grow extra limbs.

20.

Mutations can be negative because

a)

They can cause cancer

b)

They can cause birth defects

c)

They can help an organism thrive in its environment.

d)

They can affect offspring.

21.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born

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