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DNA And Chromosomes Test Review
Test Description: DNA and Chromosomes Test Review
Instructions: Answer all questions to get your test result.
1) XY Chromosomes
A
Female
B
Male
2) XX Chromosomes
A
Male
B
Female
3) The nitrogen bases are:
A
G, C, R, S
B
A, T, C, G
C
G, T, P, O
D
Y, C, X, G
4) The nitrogen base Adenine (A) is paired with:
A
Uracil (U)
B
Cytosine (C)
C
Guanine (G)
D
Thymine (T)
5) The nitrogen base Cytosine (C) is paired with:
A
Adenine (A)
B
Guanine (G)
C
Thymine (T)
D
Uracil (U)
6) The structure of DNA is:
A
A double helix
B
A hexagon
C
A circle
D
A triangle
7) Chromosomes are made up of:
A
The cells in the body
B
Restriction Enzymes
C
Long strands of DNA
D
Argose Gel
8) DNA carries what:
A
Messages to the brain
B
The genetic code that makes up all organisms
C
The chromosomes to the mitochondria
D
Nerve Cells
9) The backbone of DNA is made up of:
A
All phosphates
B
The nitrogen bases
C
Alternating (dioxyribose) sugars and phosphates
D
All sugars
10) A karyotype is:
A
A picture of chromosomes in a cell
B
A picture of your nerves
C
A picture of a cell
D
A picture of the DNA from your father
11) All humans have how many pairs of chromosomes?
A
46
B
34
C
45
D
23
12) All humans have how many total chromosomes?
A
24
B
67
C
23
D
46
13) How many chromosomes do you inherit from your parents?
A
32 from mom and 32 from dad
B
35 from mom and 35 from dad
C
23 from mom. 23 from dad
D
46 from mom. 46 from dad
14) What are autosomes?
A
Non-sex chromosomes
B
A genetic disorder
C
Somewhere you buy car parts
D
Sex-Chromosomes
15) What can the sex chromosome pair tell you?
A
If it is male or female
B
if they have a dog
C
if they shop at the mall
D
if they have DNA
16) What can DNA fingerprinting be used for?
A
To match DNA on a crime scene
B
To call your home
C
To tell if you have a genetic disorder
D
To tell where you go to school
17) How many pairs of autosomes are there in a karyotype?
A
22 pairs
B
21 pairs
C
23 pairs
D
46 pairs
18) Do females have a y chromosome?
A
No
B
Maybe
C
Yes
19) What would a person with XXY chromosomes have?
A
Missing a chromosome
B
15 extra chromosomes
C
A genetic disorder
D
5 extra chromo
20) What type of grade will you get on the Genetics test
A
A
B
C
C
D
D
B
*select an answer for all questions
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