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