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Domain 3 Review
Test Description: Genetics EOCT Review for Domain 3 of the Georgia High School Biology Standards
Instructions: Answer all questions to get your test result.
1) Which of the following is true about DNA and RNA
A
DNA has one strand; RNA has two strands
B
Both have two strands
C
DNA has two strands; RNA has one strand
D
Both have one strand
2) Which of the following carries a code to a ribosome?
A
Messenger RNA
B
Amino Acid
C
DNA
D
ATP
3) Which of the following is used as a pattern for producing Messenger RNA?
A
DNA
B
ATP
C
Enzymes
D
Amino Acid
4) Which of the following processes must occur prior to mitosis so that each cell has the correct DNA?
A
Translation
B
Replication
C
Meiosis
D
Transcription
5) Which of the following processes occurs after the Messenger RNA reaches the ribosome?
A
Hibernation
B
Translation
C
Transcription
D
Replication
6) Which of the following is a benefit of sexual reproduction over asexual reproduction?
A
takes less time
B
produces more offspring
C
genetic variability
D
requires one parent
7) What is the purpose of tRNA?
A
they cause DNA to join to RNA
B
they carry amino acids to the ribosome for protein synthesis
C
they change DNA into RNA
D
they carry DNA to the ribosome
8) Under what conditions would asexual reproduction be better than sexual reproduction
A
When the environment is stable
B
When variety is required
C
When the environment is changing quickly
D
When mitosis cannot occur
9) Two pea plants with the genotype TT and Aa are crossed. What is the probability of an offspring having the genotype TtAa?
A
100%
B
50%
C
25%
D
0%
10) Stripes are dominant in flies over non-stripes. What is the probability of two heterozygous striped flies having a non-striped offspring?
A
50%
B
0%
C
25%
D
75%
11) What has to happen for an offspring to have the recessive phenotype?
A
They must have at least one recessive allele
B
They must have at least one dominant allele
C
They must be homozygous dominant
D
They must have two recessive alleles
12) How is modern DNA technology being used to enhance agriculture?
A
It allows them to reproduce asexually
B
Some plants can now grow in harsh conditions
C
It causes them to produce less fruit
D
It allows farmers to transplant crops
13) What has to occur to produce recombinant DNA?
A
cytosine must bond with thymine
B
a virus must infect a host cell
C
Genes from one organism must be transplanted into the DNA of another organism
D
nucleotides must change their order
14) Which of the following processes produces gametes?
A
replication
B
meiosis
C
transcription
D
mitosis
15) What type of cell must a mutation occur in for it to be passed on to the next generation?
A
sex cells
B
somatic cells
C
body cells
D
cancer cells
16) Which of the following sequences is the result of a deletion occuring in the following DNA sequence: ACTTGCGGAT
A
ACTTGCGGATAG
B
ACTTGGAT
C
ACTTGCGGATTC
D
ACTTCCGCAT
17) Which type of mutation casues the least change in the organism?
A
Deletion
B
Substitution
C
Insertion
D
Frameshift
18) The following DNA mutation occurs: ACTCTAAT becomes ACTGGCTAAT. What type of mutation is this?
A
insertion
B
chromosomal
C
substitution
D
deletion
19) A parent with a genotype of Ss is crossed with an individual with a genotype of ss. What is the probability that an offspring will have a dominant phenotype?
A
25%
B
50%
C
75%
D
100%
20) An RNA has 15%. of its nucleotides being uracil. What nucleotide from the DNA that coded for the RNA would aslo be 15%?
A
thymine
B
cytosine
C
adenine
D
guanine
*select an answer for all questions
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