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WorksheetsCh 6 Genetics Test Review
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
In incomplete dominance,
a)
one gene is controling many traits.
b)
all the genes for a trait are all recessive.
c)
each allele is equal in control
d)
the environment controls the genes.
2.
The complementary strand to the DNA sequence ACTTA would be
a)
TGAAA
b)
AGAAT
c)
AGAAC
d)
TGAAT
3.
Base Pairing Rules say that in DNA:
A pairs with____
A pairs with____
a)
A
b)
T
c)
C
d)
G
4.
What has happened to this pair of DNA strands:
AATTGGCATAG
TTAACCGTAT
AATTGGCATAG
TTAACCGTAT
a)
deletion of a base causing a mutation
b)
substitution of a base causing a mutation
c)
insertion of a base causing a mutation
d)
no change of a base causing no mutation
5.
Genetic engineering is currently used to
a)
genetically alter planes
b)
repair healthy genes
c)
make proteins
6.
Which type of mutation replaces a base or amino acid with a different base or amino acid
a)
deletion
b)
substitution
c)
insertion
7.
Which of the following is NOT a step in making a protein?
a)
Copies of DNA are taken to the cytoplasm.
b)
Transfer molecules deliver amino acids to the nucleus.
c)
Amino acids are joined together at the ribosome to make a protein.
d)
A copy of the DNA is fed through the ribosome.
8.
The code for a given amino acid consists of ____ base(s).
a)
1
b)
2
c)
3
d)
4
9.
Which type of mutation adds a base or amino acid into the code
a)
deletion
b)
substitution
c)
insertion
10.
Base Pairing Rules say that in DNA:
C pairs with____
C pairs with____
a)
A
b)
T
c)
C
d)
G
11.
What has happened to this pair of DNA strands:
AATTGGCATAG
TTAACGGTATC
AATTGGCATAG
TTAACGGTATC
a)
deletion of a base causing a mutation
b)
substitution of a base causing a mutation
c)
insertion of a base causing a mutation
d)
no change of a base causing no mutation
12.
Base Pairing Rules say that in RNA:
A pairs with____
A pairs with____
a)
T
b)
C
c)
G
d)
U
13.
What has happened to this pair of DNA strands:
AATTGGCATAG
TTAACCGTATC
AATTGGCATAG
TTAACCGTATC
a)
deletion of a base causing a mutation
b)
substitution of a base causing a mutation
c)
insertion of a base causing a mutation
d)
no change of a base causing no mutation
14.
Which of the following best describes what happens when a DNA molecule splits to make a copy of itself?
a)
It unzips down one side
b)
It unzips down the middle
c)
It grows extension at the ends
15.
Which type of mutation removes a base or amino acid from the code
a)
deletion
b)
subsitution
c)
insertion
16.
A nucleotide consists of a _________, __________ and _____________ chemically bonded together.
a)
phosphate, base, RNA
b)
phosphate, base, sugar
c)
base pairs, phosphorus, saline
17.
The double helix shape of DNA allows which of the following things to happen?
a)
there is a little DNA in a lot of space
b)
there is DNA in all cells
c)
there is a lot of DNA in a little bit of space
18.
What has happened to this pair of DNA strands:
AATTGGCATAG
TTAACCGTATCA
AATTGGCATAG
TTAACCGTATCA
a)
deletion of a base causing a mutation
b)
substitution of a base causing a mutation
c)
insertion of a base causing a mutation
d)
no change of a base causing no mutation
19.
Besides genes what else can influence a trait?
a)
cells
b)
environment
c)
tissues
d)
organs
20.
I have a strand of 33 bases. How many amino acids do I code for in this strand?
a)
5
b)
7
c)
9
d)
11
21.
Codominance is when
a)
both alleles are in equal control.
b)
One allele is dominant over another.
c)
Neither allele is strong enough to be in charge.
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