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Test 1 Gene, DNA, Chromosome(13/4)

Total questions: 20

Worksheet time: 28mins

Name
Class
Date
1.
A chromosome is best described as a
a)
gene that has more than one form.
b)
green cell found in many plants.
c)
strand of DNA containing genetic information.
d)
reproductive cell found in certain kinds of bacteria
2.
DNA is inside your cells. What part of the cell is the DNA inside of?
a)
cell membrane
b)
cytoplasm
c)
nucleus
3.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
4.

DNA stands for

a)

detolnucleus alkaline

b)

deoxyribonucleic acid

c)

deoxygenated acid

d)

denitrogenated

5.

The chromosomes that are not involved in determining the sex of an individual are called __________.

a)

sex chromosomes

b)

mutations

c)

autosomes

d)

homologous

6.
The twisted ladder shape of DNA is referred to as a ....
a)
Twizzler candy
b)
twisted ladder
c)
double helix
d)
yo mama
7.
There is a segment of DNA that codes for every trait that a person has. These segments of DNA are found on
chromosomes and are called ________.
a)
Deoxyribonucleic acid
b)
Genes
c)
Heredity
d)
Recessive Traits
8.
Which statement about DNA is true?
a)
Different people can have the same copy of DNA in their cells.
b)
DNA is made up of genes that carry hereditary information.
c)
DNA controls the genotype but not the phenotype of an organism.
d)
DNA controls the genotype only in the second and third generations.
Question
9.
Which is true about DNA?
a)
Only animals have DNA in their cells
b)
DNA research is simple and quick
c)
DNA contains many genes
d)
None of the above are true.
10.

The number of human chromosomes is

a)

23

b)

46

c)

92

d)

64

11.
How are similarities passed from parent to offspring?
a)
through teaching
b)
through learning
c)
through blood
d)
through genes
12.
Why are your chromosomes arranged in pairs?
a)
Scientists have no idea
b)
Because you get one from your mom and one from your dad
c)
Because pairs can divide easier
d)
Because DNA is awesome
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.
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
15.

What do you call the pair of chromosomes in an organism that determines the sex of the organism?

a)

sex chromosomes

b)

autosomes

16.

Can DNA leave the nucleus?

a)

yes

b)

no

17.

Of the chromosomes in your cells, how many are sex chromosomes?

a)

1

b)

2

c)

3

d)

4

18.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
19.

What are sections of DNA called?

a)

DNA

b)

Genes

c)

Chromosomes

d)

Nucleus

20.

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

a)

nucleus

b)

DNA

c)

chromosome

d)

Trait