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SAHS Benchmark 2 Review Flashcards | StudBud
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SAHS Benchmark 2 Review
SAHS Benchmark 2 Review
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Benchmark 2 review, covering scientific method, cells, DNA, mitosis, genetics, and evolution
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Which of the following is a possible genotype for person II-1 (#3)?
AA
XY
Aa
aa
2
In which phase do the spindle fibers pull the sister chromatids to opposite sides of the cell?
Metaphase
Telophase
Anaphase
Prophase
3
If black is dominant to white, what is the genotype and phenotype of the individual in Box 2?
Bb; white
bb; white
Bb; Black
BB; black
4
Which type of RNA transfers amino acids to ribosomes during protein synthesis?
cRNA
rRNA
mRNA
tRNA
5
How are chloroplasts and mitochondria interconnected in eukaryotic organisms?
They were both bacteria
One stores and one releases energy
Both photosynthesize
Both release energy
6
Water will move __________ the cell because the cell is ___________ to the solution.
out of; hypotonic
into; hypertonic
into; hypotonic
out of; hypertonic
7
What would be the blood type of a person whose genotype is I
B
i?
B
O
AB
A
8
What is the process by which DNA is rewritten as RNA?
translation
decoding
replication
transcription
9
An individual's alleles are Pp and she has a widow's peak, which of the following is true?
Pp is the phenotype
She is homozygous
Widow's peak is recessive
She is heterozygous
10
If a potato stick is put in an unknown solution and its mass stays the same, the solution was:
isotonic because no change was made
Hypertonic because water flowed out
hypotonic because water flowed in
too cold to cause a change
11
A change in one base on the DNA, will next change codons on the mRNA, which then changes:
ribosome number
order of amino acids
number of tRNAs
sugars and phosphates
12
Which of the following is a carrier?
I 1
III 2
IV 1
II 3
13
What is the correct order for the processes pictured below?
C, B, A, D
C, B, D, A
B, C, D, A
A, C, D, B
14
What is the complementary DNA sequence to this DNA strand?
AGCTTC
TCGAAC
UCGAAC
AGCUUG
15
The physical appearance of a trait is the _____, while the combination of alleles is the ______
phenotype; genotype
expression; codon
genotype; phenotype
phenotype; allelic frequency
16
Offspring in F1 are:
both tall and short
homozygous recessive
All heterozygous
genetically identical to parents
17
The trait shown in this pedigree is most likely:
polygenic
autosomal recessive
sex-linked
autosomal dominant
18
When both alleles show up in the phenotype, the trait is called:
Multiple Alleles
Co-Dominance
Recessive
Incomplete Dominance
19
Which type of RNA copies the message from DNA in the nucleus and carries it to the ribosome?
mRNA
cRNA
rRNA
tRNA
20
Sex cells, also called _______, are produced by ___________.
gametes; mitosis
gametes; meiosis
daughter cells; meiosis
daughter cells; mitosis
21
Baldness, Color Blindness, Muscular Dystrophy, and Hemophilia are all:
sex-linked traits
co-dominant traits
autosomal traits
dominant traits
22
Name the structure that first codes for the protein made here:
codons on the mRNA
anticodons on the tRNA
genes on the DNA
mRNA mutations
23
What structure in the eukaryotic cell contains the nucleic acids?
centriole
lysosome
nucleus
golgi body
24
The trait shown in this pedigree is most likely:
polygenic
sex-linked
autosomal recessive
autosomal dominant
25
In gel electrophoresis, enzymes are added to the DNA for this purpose:
electrify the DNA
cut the DNA into fragments
change DNA to RNA
merge the DNA together
26
What would be the
mRNA
sequence transcribed from this DNA sequence?
TCGAAC
AGCUUG
UCGAAG
CAAGCU
27
Which of the following is NOT an example of a concentration gradient?
Salinity between an ocean and a pond, divided by an estuary
A fresh bag of popcorn opened somewhere down the hall
Air freshener sprayed in one corner of a room
The amount of sugar dissolved in a glass of sweet tea
28
Meiosis does all of the following EXCEPT:
new gene combinations
produces identical cells
haploid daughter cells
crossing over
29
Which of the models below represents a double helix?
C
D
B
A
30
Who committed the crime based on the DNA fingerprint?
Suspect 3
Suspect 1
Suspect 2
None of these
31
All of the DNA for the cloned lamb came from:
The egg cell donor
The surrogate mother
The skin cell donor
The scientist
32
If a Striped skunk has 50 chromosomes in its somatic cells, how many are in its gametes?
25
75
100
50
33
Which of the following genotypes shows a sex-linked trait?
X*Y
Aa
XX
RW
34
According to the graph, which two species produce the most males at about the same temperature?
Box Turtle and Snapping Turtle
Alligator and Box Turtle
Box Turtle and Alligator
Snapping turtle and Alligator
35
What is true according to this karyotype?
the individual has trisomy 13
all of these are true
the individual's diploid chromosome number is 47
the individual is female
